Answers
The ability to wiggle the ears is an autosomal recessive trait that does not appear to benefit or harm the people who possess the trait, and the genotype is ee. E is taken for the ear.
What is the recessive trait?A recessive trait is expressed when two recessive alleles are present together, and in the case of an autosomal recessive trait, there are equal chances of inheritance and character expression in both males and females. In a recessive trait for the wiggle ear, the "E" is taken to represent, so the genotype is "ee," and this trait does not harm the person who inherits it.
Hence, this autosomal recessive trait is expressed as ee.
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Related Questions
In the third week of development of a human embryo, cells begin to develop unique structures and functions, such as muscle cells, nerve cells, and blood cells.
Which statement best explains how different cell structures can develop from the same cells?
-----------------------------------------------------------------------------------------------------------------------------
Development and differentiation result in the loss of some genes.
The embryo's cells create new genes depending on which structure it needs to form.
The cells have different genes depending on the embryo's stage of development.
The embryo's cells express different genes at different times for each structure.
Answers
Answer:
here u go
Explanation:
The embryo's cells express different genes at different times for each structure.
During a natural disaster, part of a plant was damaged. If the plant can no longer grow and produce new root cells, which part of the plant likely suffered damage?Question options:A) Root capB) XylemC) Apical meristemD) Phloem
Answers
Root damage
If a plant cannot grow and produce new root cells, the tissue that is damaged is the root apical meristem (option c), since it is the meristematic tissue whose divisions give rise to cells that, after differentiating, form the adult root tissues
what action represents when a snake receives energy from a rabbit ?
Answers
Answer: Movement
Explanation:
Answer:
league of nations
global issues of security
Explanation:
As a result of your Zombie Apocalypse, the grass at a local park will no longer be mowed. What type of succession is this (primary or secondary)? Describe the stages of succession that will occur in the next 100 years.
What type of succession is this depicting?
Answers
Secondary succession is the kind of succession that might develop in a neighborhood park after the Zombie Apocalypse if the grass wasn't cut anymore and pioneer species would first colonize the bare soil.
Thus, pioneer species like weeds and grasses would colonize the bare soil and disturbed regions in the initial stage of secondary succession. These species can swiftly adapt to a new habitat since they are frequently resilient and rapidly developing.
In secondary succession, the pioneer species are the early settlers multiply and spread, the soil conditions become more stable and draw in additional species like shrubs and tiny trees. These animals are modifying the environment in a way that makes it possible for bigger and more diversified populations of creatures to live in more complicated settings.
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Darwin observed that finches’ _______ were specialized according to their unique environments.
Answers
Answer:
Beaks
Explanation:
Penn Foster
hope this answer is correct
Answer:
1. beaks
2. uniformitarianism
3. competition
4. Hutton was the first scientist to propose that the earth is several million years older than originally believed.
5. Nature is really good at establishing measures of population control when the demand for resources outstrips the supply. Disease and starvation increase to help reduce or limit the population.
6. Darwin applied the concept of uniformitarianism to biology and natural selection through a focus on constant small changes.
7. This suggests that round-winged flies are more fit in their local environment.
8. The geological processes responsible for changes in the earth several million years ago are similar to the geological processes changing the earth now, often in ways not immediately apparent. This is known as uniformitarianism.
Explanation:
pen
A mother has a genotype of IAIA, and a father has a genotype of IBi. Which of the following describes the parents' phenotypes?
Answers
Individuals with genotype the IAIA or IAi have blood type A. The ones with IBIB or IBi have blood type B. Others with IAIB have blood type AB, and those with ii have blood type O. Mother has phenotype A and father has phenotype B.
What is genotype?Genotype is the genetic representation of an individual.
A blood genotype indicates the genetic composition of the blood type of an individual.
Blood genotype represents the following phenotype:
IAIA or IAi as blood group AIBIB or IBi as blood group B.IAIB as blood group AB.ii as blood group O.Thus, according to the given scenario, the genotype of mother is IAIA and father is IBi, so the phenotypes will be A and B respectively.
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explain the inheritance of colour blindness in man
Answers
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Color blindness is an X-linked recessive trait, meaning that the gene for color blindness is located on the X chromosome. Because males have only one X chromosome, if they inherit the color blindness gene from their mother, they will be colorblind. Females need to inherit two copies of the gene to be colorblind, one from each parent. If they inherit only one copy, they will be carriers of the trait but will not be colorblind themselves.
Color blindness is inherited through the X chromosome, making it more common in males due to their XY genetic makeup.
Color blindness, also known as color vision deficiency, is typically an inherited condition that affects the perception of colors. The inheritance of color blindness in humans is linked to the X chromosome, making it more common in males.The genes responsible for color vision are located on the X chromosome. Since males have one X chromosome and one Y chromosome, while females have two X chromosomes, the inheritance pattern differs between the sexes.In most cases, color blindness is caused by a recessive gene. If a male inherits a single copy of the recessive gene from his mother, he will have a higher likelihood of being color blind because he lacks a second X chromosome to counteract the effect of the gene. Females, on the other hand, require two copies of the recessive gene (one from each parent) to develop color blindness.Therefore, males are more likely to be affected by color blindness, while females tend to be carriers of the gene without experiencing color vision deficiencies themselves.In conclusion, color blindness is inherited in a manner that is influenced by the presence of the recessive gene on the X chromosome, leading to a higher prevalence among males.For more questions on Color blindness
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whats the chromosomes ?
Answers
Answer:
In humans we have total 46 chromosomes out of which 44 are know as autosomes and rest last pair are termed as sex chromosomes. the last pairs are different in male and in female .
in female it is XX and in male it is XY
Explanation:
the last two pairs also helps in the determination of the gender of the child .
LIKE (the image) .
Please help I don’t know the answer to this question.
Answers
What is the SI unit of measure for Power?
Answers
How can one person living alone in a forest obtain materials for shelter
Answers
Gathering materials for shelter when living in a forest involves using fallen trees, rocks, bark, leaves, and weaving plant fibers. Safety and environmental considerations are paramount during the collection process.
While living alone in the backwoods and requiring materials for cover, there are multiple ways of getting them:
Normal Assets: The actual timberland gives various regular assets that can be utilized for cover development. Search for fallen trees, branches, leaves, and shakes that can be used in building a sanctuary.Deadwood and Wood: Quest for deadwood or fallen trees in the backwoods. Deadwood is often dry and more straightforward to work with, making it reasonable for developing basic designs. Utilize a little hatchet or checked whether (accessible) to cut and shape the wood as indicated by your necessities.Bark and Leaves: Tree rind can act as an extra layer to protect your sanctuary from downpours and wind. Search for trees with effectively removable bark, like birch trees. Assemble leaves to make a thick layer on the rooftop or as bedding inside the sanctuary.Normal Filaments: Search for plants with long and tough strands, for example, plants or particular kinds of tree rinds. These can be woven together to make ropes or cordage, which can be utilized to get and build up the safe house structure.Shakes and Stones: Use shakes and stones to make an establishment or base for your haven. They can give solidness and assist with hoisting the design from the beginning, dampness-related issues.Creature Materials: In certain circumstances, creature materials like bones or prongs can be reused for development. In any case, guarantee that utilizing creature materials lines up with neighborhood guidelines and moral contemplations.Make sure to constantly focus on security while social affairs materials and developing your haven. Abstain from harming living trees or hurting the climate superfluously. Also, be aware of any neighborhood guidelines or limitations that might apply to social event standard assets.
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What is the name of the thick, lower end of the digestive tract where solid waste is gathered and leaves the body? O esophagus o small intestine Oliver o large intestine
Answers
Answer:popopopop
Explanation:
give point
Answer: Large Intestine
Hope this helps
Which of the following is not a negative consequence of upward urban growth?
a. pollution
b. creation of a "heat island"
c.
d. waste management issues
increased use of surrounding land
Please select the best answer from the choices provided
O A
OB
OC
OD
Answers
Answer: your answer is letter C
Explanation: upward urban growth will increase pollution as the number of people will increase .
What do you think humans and arthropods have in common?
Answers
Muscle and nerve cells are also alike in human beings and arthropods. Both have brains, hearts, digestive tracts, reproductive organs, and muscle groups that do more or less the same matters.
Arthropods are invertebrate animals having an exoskeleton, a segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. they may be outstanding by means of their jointed limbs and cuticle made from chitin, frequently mineralized with calcium carbonate.
Arthropods are beneficial for different meals that humans eat, especially thru the pollination of plants. greater than 100 food plants are pollinated via arthropods on a yearly basis. Bees, one of the foremost plant pollinators, also produce honey.
Arthropods also are invaluable to human beings, as they're used in many one-of-a-kind human-made products. Examples are: Bees produce honey and their honeycombs contain beeswax, broadly used for making candles, fixtures wax and polishes, waxed papers, antiseptics, and fillings for surgical uses.
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Long strands of genetic information are stored in ________. A. Enzymes B. Adenine C. Chromosomes D. Mutations
Answers
The genetic information is the encoded proteins passed through hereditary. The genetic information is stored in the chromosomes of the cel. Thus, option C is correct.
What are chromosomes?Chromosomes are the hereditary unit of an organism that passes from the parent cell through cell division and reproduction to the daughter cells.
The chromosomes comprise chromatin that is made of the proteins and DNA molecules wrapped around the histones to form a dense and compact structure.
They look like long threads that are present inside the cell's nucleus and code for specific information that gives the genotype and phenotype of an organism. It gets copied during the cell cycle.
Therefore, option C. chromosomes store the genetic information.
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Which of these layers is the deepest?
Answers
Answer:
the answer is B. C horizon
Explanation:
AP3X
Explain how genetic information, along with an understanding of the process of descent with modification, enables scientists to reconstruct phylogenies that extend hundreds of millions of years back in time.
Answers
By comparing the DNA sequences of different species, scientists can identify shared ancestry and determine how closely related different species are. This enables them to make predictions about the evolutionary relationships between different species and to reconstruct phylogenies that extend back in time, providing insights into the evolutionary history of life on Earth. Molecular techniques, such as DNA sequencing, are particularly useful for this purpose because DNA is a stable, heritable molecule that is passed from one generation to the next.
20 points
For six years, an artificial fertilizer is used on an apple orchard. The orchard is
next to a stream, which runs out into a small saltwater bay. Researchers have
been sampling fish populations in the bay for five years. Their results are
shown in the table.
They have also observed the growth of plantlike organisms in the bay. Which
is the most likely explanation for the results?
A. The fish are harder to catch in the growing plantlike organisms.
B. An algal bloom has used up the oxygen fish need.
C. The fish have migrated to better feeding grounds.
D. A toxic chemical has killed off all the fish in the area.
Answers
The most likely explanation for the results seen in the fish populations would be b. An algal boom has used up the oxygen the fish need.
How can fertilizers affect fish populations ?Artificial fertilizers contain nutrients such as nitrogen and phosphorus, which can wash into nearby waterways and cause an overgrowth of algae.
When the algae die and decompose, they consume oxygen from the water, which can lead to reduced oxygen levels that are not sufficient to sustain the fish population. This process, known as eutrophication, can occur when excess nutrients from fertilizers and other sources enter a body of water.
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Can glucose be directly used for energy
Answers
If a mineral can scratch fluorite and it can be scratched by a knife what is the hardness of the mineral
Answers
Answer:
The hardness rating is 4.
Explanation:
Calcite sits at a hardness rating of 3 and is very easily scratched with a knife and/copper coin. This is where most Marbles, limestones, travertines, rate.
Meanwhile, Fluorite sits at hardness 4 and can be scratched by a knife.
Choose all of the following statements that correctly explain what essential amino
acids are:
Select 2 correct answer(s)
It is essential that our diet provides these amino acids.
There are 20 essential amino acids.
Peanut butter on wheat bread is an example of a combination of foods that you
can mix together to obtain the essential amino acids.
Can be considered as saturated or unsaturated.
Answers
Answer: first 2 statements ie. It is essential that our diet provides these amino acids.
There are 20 essential amino acids.
Body can get essential amino acids through diet. Peanut butter contains essential amino acids in its composition. Thus, first and third option are correct.
Why are amino acids important?Amino acids are fundamental in the synthesis of proteins in the body.
Everything in our body is made up of proteins. Thus, these proteins are made by amino acids through a complex process called translation.
There is total twenty different amino acids and they are required for the proper functioning of the body.
Amino acids are important in the metabolism of food. They help in maintaining a healthy digestive system.
Amino acids are required for normal growth and repair of worn-out cells in the body.
Several amino acids act as a precursor to hormone synthesis. They also function as signalling molecules.
Amino acids make up proteins and proteins are the crucial source of energy for the body.
Amino acids are helpful in maintaining healthy hair, skin and nails.
Therefore, amino acids are crucial for living organisms.
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A scientist is designing an experiment on tomato plants.Which is the best example of a hypothesis that the experiment could test
Answers
Explanation:
see if the tomato juice can grow the plant and use water on the other plant
A scientist is designing an experiment on tomato plant. The best example of a hypothesis that the experiment could test is increasing the amount of sunlight that a tomato plant receives will increase its height.
What is the effect of sunlight on tomato plant?Sunlight is a renewable source of energy that play a very important role in our everyday life from giving free energy to earth, giving energy to earth for water cycle, it is an important party of our daily existence. Without sunlight plant wouldn't get the energy, food , for proper growth and reproduction.
Plant needs three basic things for their's survival i.e sunlight, water and carbon dioxide . The plant takes energy from sunlight to convert carbon dioxide, soil nutrients and water into food and all this through process is known as photosynthesis.
Therefore,a scientist is designing an experiment on tomato plant. The best example of a hypothesis that the experiment could test is increasing the amount of sunlight that a tomato plant receives will increase its height.
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Based on your knowledge of cellular and viral processes, which of the following would be (an) appropriate target(s) for antiviral drugs?
A) integrases
B) aminoacyl-tRNA synthetases
C) ribosomes
D) aminoacyl-tRNA synthetases and ribosomes
Please provide a detailed explanation along with the answer. I have seen sources online saying the correct answer D but I don't get why.
Answers
The appropriate target(s) for antiviral drugs among the given options would be integrases as targeting them can effectively disrupt the viral life cycle without causing significant harm to the host cells.
The correct answer is option A.
Integrases - These are viral enzymes responsible for integrating the viral genetic material into the host cell's genome. Targeting integrases can prevent the virus from replicating and spreading within the host, making it a suitable target for antiviral drugs. An example is HIV integrase inhibitors, which are used to treat HIV infections.
Aminoacyl-tRNA synthetases - These enzymes are responsible for attaching the correct amino acid to its corresponding tRNA molecule, which is essential for protein synthesis. However, they are present in both host cells and viral cells, so targeting them might lead to unwanted side effects in the host.
Ribosomes - These are cellular structures responsible for protein synthesis. Since both the host cell and the virus use ribosomes for protein synthesis, targeting ribosomes could harm the host cells as well as the virus, making it an undesirable target for antiviral drugs.
Aminoacyl-tRNA synthetases and ribosomes - As explained in options B and C, targeting both aminoacyl-tRNA synthetases and ribosomes could lead to unwanted side effects in the host, making this option not suitable for antiviral drugs.
Therefore option A is the correct answer.
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Red blood cells are able to maintain homeostasis because they are bathed in blood, which is to the fluid in the cells themselves.
Answers
Answer:
this is not a question it is a statement
Explanation:
does the value of acceleration due to gravity vary from planet to planet explain
Answers
Answer: The value of acceleration due to gravity, commonly denoted as "g," is the acceleration experienced by an object due to the force of gravity acting upon it.
The value of g varies from planet to planet because the strength of the gravitational force depends on the mass of the planet and its distance from the object experiencing the force.
Explanation: On Earth, the standard value of g is approximately 9.8 m/s^2. This means that an object weighing 100 grams on Earth would experience a force of approximately 9.8 newtons (N) acting upon it due to gravity.
The value of g varies slightly from planet to planet because the strength of the gravitational force depends on the mass of the planet and its distance from the object experiencing the force.
For example, the value of g on the Moon is about 1.62 m/s^2, which is about 60% of the value on Earth. The value of g on Mars is about 3.71 m/s^2, which is about 30% of the value on Earth.
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what roles do the digestive, circulatory, and respiratory systems play when you eat an energy bar?
Answers
Answer:ability to break down food
Explanation:
easy
. The diagram shows products of cellular processes flowing
between organisms. What is product 2 and the process that
produces it?
Product 1 frog —> Product 2 tree (frog to tree to frog)
Answers
explain how parasitism help shape biodiversity
Answers
Answer: parasitism can help shape biodiversity by exerting selective pressure on host populations and by contributing to the diversity of parasitic organisms themselves.
Explanation: Parasitism is a form of symbiotic relationship where one organism, the parasite, benefits while the other, the host, is harmed. Parasites can have a significant impact on the biodiversity of an ecosystem by selecting and shaping the characteristics of their host species.
Parasites have evolved to infect specific hosts, which means that their survival and reproduction are tied to the existence of their host. As a result, parasites can exert selective pressure on the host population, favoring certain traits and characteristics that make the hosts more resistant or susceptible to infection.
This selective pressure can lead to evolutionary changes in the host population, which can lead to increased genetic diversity. For example, if a parasite infects a population of fish and selects for fish that have more effective immune systems, then those fish will be more likely to survive and reproduce, passing on their advantageous traits to their offspring. This can ultimately lead to the development of new species.
Furthermore, parasites themselves can be incredibly diverse. Studies have shown that parasites can account for a significant percentage of the total biodiversity in an ecosystem. By infecting different hosts and adapting to different environments, parasites can influence the evolution of their hosts and contribute to overall biodiversity.
Answer:
Parasitism, in common with competition, facilitation, and predation, could regulate BD-EF relationships. Parasitism affects host phenotypes, including changes to host morphology, behavior, and physiology, which might increase intra- and interspecific functional diversity.
Explanation:
have a nice day.
Why is reproduction so important for an animal species?
A: Reproduction keeps the animals alive.
B: Reproduction keeps the animals healthy.
C: Reproduction keeps the animals from becoming extinct.
D: Reproduction keeps the animals productive.
Answers
Answer:
C: Reproduction keeps the animals from becoming extinct.
C: Reproduction keeps the ankmals from becoming extinct.
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I need help question
Answers
Answer:
Duodenum.
Explantion:
The duodenum is part of the intestine, not an accessory gland.