. THIS IS URGENT PLEASE HELP!!!
Choose a female from the offspring and mate
it with a male that has vestigial wings and a
black body (ggbb). Show a punnett square or a
visual representation of the alleles involved in
this cross to make a prediction about the
offspring.
Answers
Answer:
Assuming the female is homozygous dominant for normal wings (GGWW) and has a gray body (GgBb) and the male is homozygous recessive for vestigial wings (ggWW) and has a black body (ggbb), the Punnett square for this cross would be:
GW Gw
gb GgWb Ggwb
bb ggbW ggbw
This shows that the offspring will all have normal wings (G_), but could have either a gray body (Ggbb and GgBb) or a black body (ggbb and ggBb) in a 1:1 ratio. They will all also be heterozygous for the wing trait.
It is anticipated that if a female with wildtype wings and a grey body (GgBb) mates with a male who has vestigial wings and a black body (ggbb), their progeny will have a 1 in 4 probability of also having black bodies and vestigial wings.
What exactly is crossing over, and what would happen if it didn't occur during meiosis?When genes on the same chromosome are followed, two different types of gametes may result. In the absence of crossing over, the end products are parental gametes. Recombinant gametes are produced when crossing over happens.
What are the three benefits of transitioning?Changes in chromosomal material lead to variation in the progeny. It is crucial to the evolution process. Increasing crossover frequency makes it easier to create genetic maps.
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Related Questions
in your own words, what is the definition for Diffusion?
Answers
Answer:
Diffusion basically means the spreading of something that's wide or the action of spreading the light from a light source that reduce glare and harsh shadows.
What is the acid produced by stomach?
Answers
Answer:
Hydrochloric acid
Explanation:
Answer:
I think its Hydrochloric Acid
Which of the following is the primary source of mass in a plant?
Water
Soil
Air
Sunlight
Answers
Answer: Water
Explanation:
Your Welcome
Answer:
sunlight
Explanation:
The Majority of the untied states resides in what atmospheric convection area
Answers
Answer:
Convection takes place in the atmosphere, in the oceans, and in Earth's molten subcrustal asthenosphere. Convective currents of air in the atmosphere are referred to as updrafts and downdrafts. In addition to heat transfer, convention can be driven by other properties (e.g., salinity, density, etc)
Explanation:
Convection takes place in the atmosphere, in the oceans, and in Earth's molten subcrustal asthenosphere.
What do you mean by convection?Convection is the process of losing heat through the movement of air or water molecules across the skin. The use of a fan to cool off the body is one example of convection.
Convection currents are present in the air– A good example of convection current is the warm air that rises towards the ceiling in your house. The process happens as the warm air is said to be less dense than that of the colder air.
The best description of a convection current is that e. it is the process in which warm material expands and rises while cool material contracts and falls.. Convection current in the atmosphere causes warm air to rise up from the surface.
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In one to two sentences, explain the movement of energy in this food chain. (2 points)
Answers
Answer: First there's Grass and when the grass grows Herbivore's eat the Grass and when the Herbivore's Grow older and bigger The predator kill's the prey and when the predator is done eating its prey Fungi eats its remains.
More Easy Explanation: Grass Grows and produces energy then Herbivore's come and eat the grass and get's the energy off that plant and then the predator kills the prey and takes the energy that was in the prey the fungi take the remain's of the prey and it happens again and again
What is this called???
this is an animal that, generally, has smooth skin, lives on land, but reproduces in the water.
Answers
I think what your answer is would be Amphibians? I could be wrong.
Hope this Helps! :)
responsible for the fact that organic molecules no longer spontaneously form on Earth?
Answers
Answer:
the experiment with meat sealed in a jar and maggots did not spawn out of thin air
Explanation:
I need help answering this question?
Answers
Answer: Your answer is D
Explanation:
The complimentary DNA strand is TGA CGT
If it was supposed to be an RNA strand then it would be UGA CGU
Answer:
D. Apple/Tree Car/Garage remember it like that
At a subduction zone where oceanic crust sinks beneath continental crust and is recycled back into the earth what is formed
Answers
Answer:
Continental arc
Explanation:
It develops when one continental crust and oceanic crust converges along the line of plate, a subduction zone develops and continental arc is developed as a result of two tectonic plates meet.
if a yellow shirt is under green light what color would the shirt be?
Answers
Answer:
the colour of the shirt would be green
click and drag each structure into a category to determine whether it is associated with the axon terminal or the motor end plate.
Answers
Specialized chemical synapses called neuromuscular junctions, also known as motor end plates, are created when the terminal branches of a motor neuron's axon make contact with a target
What purpose does an axon neuron terminal serve?When activated by such an electric signals carried by axon, the neuron terminal is a specialized part of a neuron that is isolated from neuronal soma by such an axon that may be extremely long.
That motor end plate is where, exactly?engine end plate,Each muscle fiber has one neuromuscular junction, which is normally found close to the middle of the fiber.As a result, its motor end plate will be situated close to the muscle fiber's middle.
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Match the type of connective tissue cell with its description.
Answers
The following connective tissue cells and its functions are :
Fibroblasts: Make fibers and ground substance.
Adipocytes: Store lipid preserves.
Fixed Macrophages: These massive cells phagocytize damaged cells as well as pathogens.
The common cell types in connective tissue include: fibroblasts, macrophages and adipocytes. Tissue that supports, protects, and structures other tissues and organs in the body is known as connective tissue.
Connective tissue also stores fat, aids in the movement of nutrients and other substances between tissues and organs, and aids in the repair of damaged tissue.
Cells and extracellular matrix make up connective tissue. The extracellular matrix is built of fibers in a protein and polysaccharide matrix that are secreted and organized by cells.
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the earth’s_______and position relative to the________effects the lengths of_________and________.
*not multiple choice*
i need it asap. thanks!
Answers
distance
sun
day
night
The Earth's distance and position relative to the sun effects the lengths of day and night.
How does the structure of nerve cells at the back of the eye support the nervous tissue's function?
Answers
Answer: The structure of the nerve cells in the retina allows for the efficient capture, processing, and transmission of visual information to the brain, which is crucial for the nervous tissue's function of vision.
Explanation:
The structure of nerve cells at the back of the eye, specifically in the retina, plays a crucial role in supporting the nervous tissue's function. The retina is made up of several layers of cells, including photoreceptor cells (rods and cones), bipolar cells, and ganglion cells. These cells work together to convert the light that enters the eye into electrical signals that can be processed by the brain.
The photoreceptor cells, specifically the rods and cones, are responsible for capturing light and converting it into electrical signals. The rods are sensitive to low light and are responsible for night vision, while the cones are sensitive to bright light and are responsible for color vision.
The bipolar cells and ganglion cells act as intermediaries between the photoreceptor cells and the brain. Bipolar cells receive the electrical signals from the photoreceptor cells and transmit them to the ganglion cells. The ganglion cells then transmit the signals to the brain via the optic nerve.
The retina also contains specialized cells called horizontal cells and amacrine cells, which modulate the signals passing between the bipolar cells and photoreceptor cells and also help to sharpen the image by adjusting the sensitivity of the photoreceptor cells.
How can mutations affect organisms
Answers
Answer:
Mutations are essentially evolution. mutations affect organisms because it changes how some things about the organism work, may this be organs, defensive properties, whatever.
Explanation:
May I have brainliest please? :)
Giving brainliest" need help
What do Dodo Birds, Passenger Pigeons, Samson Pearly Muscles, and Badlands Bighorn Sheep have in common?
Answers
Answer:
they are all extinct creatures
Explanation:
What happens if a graded stimulus is of sufficient strength to reach threshold at the trigger zone?
The membrane is hyperpolarized.
An action potential occurs.
The graded stimulus moves through the cell more quickly.
The cell becomes more permeable to Cl-.
Answers
If a graded stimulus is of sufficient strength to reach threshold at the trigger zone, an action potential occurs.
This is because the threshold is the minimum level of depolarization required to trigger an action potential. Once the threshold is reached, voltage-gated ion channels open and allow a rapid influx of sodium ions into the cell, causing depolarization. The membrane potential rapidly rises and reaches its peak, after which the voltage-gated ion channels close, and potassium channels open, allowing potassium ions to flow out of the cell, leading to repolarization.
The movement of ions generates an action potential that propagates down the axon. The graded stimulus does not affect the speed of the impulse transmission, but the action potential propagates at a constant speed. There is no change in cell permeability to Cl-. Therefore, when a graded stimulus reaches threshold at the trigger zone, an action potential is triggered, which leads to impulse transmission down the axon.
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White blood cells use __________ to help identify foreign substances in the body. a. platelets and white blood cells b. antibodies and antigens c. enzymes an
Answers
White blood cells use antibodies and antigens to help identify foreign substances in the body. a. platelets and white blood cells b. antibodies and antigens c. enzymes an
White blood cells use to help identify foreign substances in the body. a. platelets and white blood cells b. antibodies and antigens c. enzymes an
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The _______ button automatically merges the selected cells and then centers the data from the first cell across the entire merged area. quick analysis merge & center center mini toolba
Answers
Merge & Center
To combine two or more separate cells, Excel includes a special button named "Merge & Center."
What is Merge and Center in Excel ?Excel Merge and Center - When using the merge cell function in database programming, multiple neighbouring cells can be combined into a single, larger cell.
By selecting "Merge Cells" and selecting "All Cells," the operation is complete. Centering the text signifies that it is possible to do so.When merging two or more cells, select the desired cells and simultaneously press the following keys: ALT + M + H.Learn more about Merge and Center here:
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Proteins function best under specific pH and temperature. This is called their optimal. Which of the following are NOT true statements? Select all that apply.
Responses
Proteins all have the same function because they have the same structure.
Proteins have different function but are all the same structure.
Proteins have different structures that lead to different functions.
Proteins can change their structures to fit the desired functions.
Answers
Answer: The first two are wrong. The unique chain/sequence of amino acid monomers that form a polypeptide monomer are what fold the protein into its UNIQUE shape. Proteins can be modified in the golgi apparatus to best suit their function.
(a level answer)
Where would you expect there to be
less biodiversity?
a. The Great Barrier Reef in the
ocean off of Australia
b. A small, human-made, catfish
lake at the local park
c. The Nile River in the tropical
portion of Africa
d. Lake Michigan, the largest Great
Lake
Answers
The term "biodiversity" refers to the diversity of species and habitats found in each of the above regions. A small, artificial catfish lake in a neighborhood park is a highly disturbed and controlled environment with few resources and few opportunities for species to survive and form different ecosystems, thus you might expect there to be less biodiversity .
Other selections on the list provide more elaborate and diverse natural settings, which can support a greater variety of species and therefore have higher biodiversity.
Therefore, the correct option is A.
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which of these is found on the surface of an antigen-presenting cell (apc)?A. CD1 B. CD8. C. MHC I or MHC II.D. immunoglobulin.
Answers
A. CD1 and C. MHC II are found on the surface of an antigen-presenting cell (APC).
What molecules are present on an antigen-presenting cell APC's surface?Antigen-presenting cells (APCs) play a crucial role in the immune response by capturing, processing, and presenting antigens to T cells. These cells express specific molecules on their surface that facilitate antigen presentation. Among these molecules, CD1 and major histocompatibility complex class II (MHC II) are prominently found on the surface of APCs.
CD1 molecules are a family of glycoproteins that are responsible for presenting lipid and glycolipid antigens to specific T cells, such as CD1-restricted T cells. They play a crucial role in immune surveillance against bacterial, fungal, and parasitic infections.
On the other hand, MHC II molecules are involved in presenting peptide antigens derived from extracellular pathogens to CD4+ T cells, also known as helper T cells. MHC II molecules are constitutively expressed on professional APCs like dendritic cells, macrophages, and B cells.
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Which characteristics made Angiosperms unique from already-existing plants?
Answers
Answer: Distinctive features of angiosperms Feature Description Flowering organs Flowers, the reproductive organs of flowering plants, are the most remarkable feature distinguishing them from the other seed plants.
Explanation:
4. Newton's first Law of Motion deals with action and reaction forces. (
True or False
Answers
Answer:
False
Explanation:
Newton's Third Law: Action & Reaction
His third law states that for every action (force) in nature there is an equal and opposite reaction. If object A exerts a force on object B, object B also exerts an equal and opposite force on object A. In other words, forces result from interactions.Jun 30, 2022
Newton's Third Law: Action & Reaction
His third law states that for every action (force) in nature there is an equal and opposite reaction. If object A exerts a force on object B, object B also exerts an equal and opposite force on object A. In other words, forces result from interactions.Jun 30, 2022:
Newton's Laws of Motion - Glenn Research Center - NASAhttps://www1.grc.nasa.gov › newtons-laws-of-motion
©
A person can have hundreds of different type of cells because:different cells result from genetic variation in meiosis.different cell types have different genes.different cell types all have the same genes but have different genes active.None of these choices is correct.
Answers
Humans have specialized cells in the body. Each cell type performs a unique function. Humans have different type of cells with different structures and functions.
All the cells in a human's body contain the same DNA. However, the human body is composed of many different types of cells. Because of gene regulation, each cell type possess a different set of active genes although all the cells of the body contain the same DNA.
Answer - different cell types all have the same genes but have different genes active.
a. What is a pH buffer and how does it work?
Answers
Explanation:
A buffer is an aqueous solution that can resist significant changes in pH levels upon the addition of small amount of acid or alkali. Each buffer is characterized by a set ‘capacity’ which is defined as the quantity of strong acid or base that must be added to change the pH of one liter of solution by one pH unit. In other words, buffer capacity is the amount of acid or base that can be added before the pH begins to change significantly.
A buffer range is the specific pH range in which a buffer effectively neutralizes the added acid or base, while maintaining nearly constant pH. Capacity and range of a particular buffer ensures that the added small amount of acid/base is neutralized and the chemical reaction keeps going without giving a wrong outcome for the experiment/process. Simply put, a buffer is a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid
Identify the organ system(s) to which each organ belongs. Be able to identify the organs from photos, models and charts. Note: Some organs may belong to more than one system. ( 9 points) 2. Using the choices from #1, indicate the organ system(s) that make the statements correct. (10.5) a. The and systems work together to help rid the body of CO_2 . b. The and systems are both needed in order for you to smile or frown. c. If you lift the greater omentum, you will see parts of the system. d. The and systems are all involved when you drink several beers and then need to urinate! c. The and systems are both needed in order to reach an orgasm. f. The system protects the spinal cord from injury if you are in an accident. 8. The and systems work together so you can sweat. h. Parts of the and systems are retroperitoneal. i. The , and systems are involved when you eat 100 Jolly Ranchers, and your blood sugar rises dramatically. (Hint: think about the body's response to high blood sugar?) j. The system will make you better if you come down with a cold this semester. k. Some or all of the systems are found in the in the thoracic cavity. 1. The and and systems are both involved when you fecl the unge to urinate
Answers
The organ systems involved are the respiratory and circulatory (a), the muscular and nervous (b), the digestive (c), the circulatory and urinary (d), the nervous and endocrine (e), the skeletal (f), the nervous system (g), the urinary and digestive (h), the endocrine, digestive and circulatory (i), the immune (j), the respiratory, cardiovascular (k), the urinary and nervous (i).
What are the systems of the body?
The human body consists of multiple organ systems that work together to maintain overall function and health. These systems interact and collaborate in various ways:
(a) The respiratory and circulatory systems work together to deliver oxygen to the body's tissues and remove carbon dioxide through the process of respiration.(b) The muscular and nervous systems collaborate to allow for voluntary and involuntary movements. The nervous system sends signals to the muscles, enabling them to contract and produce motion.(c) The digestive system is responsible for breaking down food and absorbing nutrients, ensuring the body receives essential substances for energy and growth.(d) The circulatory and urinary systems play a role in maintaining fluid balance and regulating blood pressure. The circulatory system transports nutrients and hormones, while the urinary system eliminates waste products.(e) The nervous and endocrine systems work in tandem to regulate bodily functions. The nervous system controls rapid responses, while the endocrine system uses hormones to regulate slower, long-term processes.(f) The skeletal system provides structure, support, and protection for the body, as well as aiding in movement and storing minerals.(g) The nervous system consists of the brain, spinal cord, and nerves, and it coordinates and controls all bodily activities, including movement, sensation, and cognition.(h) The urinary and digestive systems collaborate to eliminate waste products from the body. The urinary system filters waste from the blood, while the digestive system eliminates undigested material through feces.(i) The endocrine, digestive, and circulatory systems work together to regulate metabolism, hormone production, and nutrient distribution throughout the body.(j) The immune system protects the body against pathogens, infections, and diseases, defending against harmful invaders and promoting overall health.(k) The respiratory and cardiovascular systems are closely interconnected, with the respiratory system providing oxygen to the blood, while the cardiovascular system circulates oxygenated blood to the body's tissues.Learn more about body systems in: https://brainly.com/question/13258877
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Cell division allows multicellular organisms to grow.
Question 6 options:
True
False
Answers
The statement cell division allows multicellular organisms to grow is definitely true.
What do you mean by Cell division?Cell division may be defined as the process by which cells multiply involving both nuclear and cytoplasmic division.
Almost all multicellular organisms use the mechanism of cell division for growth and the proper maintenance and repair of cells as well as tissues.
Therefore, the statement cell division allows multicellular organisms to grow is definitely true.
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which landform can be created by wind
Answers
Answer:
Aeolian landforms
Explanation:
It is the landform created by wind and named for the Greek God of wind 'Aeolus'.
Which action is an important part of a scientific methods
A. Teaching others
B. Making hypotheses
C. Traveling to distant places
D. Using calculators
Answers
Answer: the correct answer is b
Explanation: the reason being is the fact that it is an actually part of the scientific method. all of the steps are question, research, hypothesise, experiment, observation, conclusion, and communicate.
The action which is important part of a scientific method is traveling to distant places. Thus, option C is correct.
What are scientific methods?Scientific method is a method of accumulating knowledge which is characterized by the development of science since 17 th century.
Scientific method involves correct observation, hypothesis, and points what is observed and at last congnitive assumptions interprets the observation.
The main steps or basic steps in the process of scientific method are constructing observing the observation, asking questions, than form hypothesis, after that prediction is made, and testing of prediction is done.
Therefore, the action which is important part of a scientific method is traveling to distant places. Thus, option C is correct.
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