How are traits expressed when an organism has heterozygous alleles for a trait

If a parent cell has six chromosomes, then the statement b. there will be two daughter cells with six chromosomes each describes the daughter cell(s ) produced after this cell undergoes the cell cycle and mitotic cell division.

The cell cycle and mitotic cell division make reference to the life of a somatic cell that divides by mitosis generating two genetically identical cells.

Therefore, with this data, we can see that the mitotic cell division generates two daughter cells with the same genetic material.

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Cytosine, a nitrogenous base found in DNA and RNA, pairs with guanine. The correct answer is option B.

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Cytosine pairs with Guanine.

The base Cytosine pairs with the base Guanine in DNA. This base pairing is a key component of the double-stranded DNA structure.

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Answer:

The main cause of earthquake is the motion of tectonic plates which occurs due to friction.

Explanation:

The tectonic plates moves slowly inside the earth crust but the edges of these plates stuck with each other due to friction that occurs during their contact. When these two plates detached from each other, the force of friction converts in a form of wave energy which can be observed in the form of earthquake. Divergent, convergent, and transform are the three types of plate boundaries which are responsible for earthquake.

Answer:

D) The plates smash together with no subduction

Explanation:

Got it right

Answer:

As the Moon orbits around the Earth, we are able to see more or less of the half that is illuminated. ... There is a border between light and dark on the moon because the sun illuminates the half of the moon that is facing it. Leaving the other half dark.

Explanation:

Hope this helps!

The moon is the earth's only natural satellite and it gets its light from the sun. The moon changes its phases from a new moon to a full moon.

Hence the sunlight travels in a straight path and can't reach the other side.

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An insertion error during DNA replication can occur when an extra nucleotide is added to the growing DNA strand.

During DNA replication, the DNA double helix unwinds and separates into two strands. Each strand serves as a template for the synthesis of a new complementary strand. DNA polymerase, an enzyme involved in DNA replication, adds nucleotides to the growing DNA strand based on the template strand. However, sometimes errors can occur in the DNA polymerase's activity.

In the case of an insertion error, an additional nucleotide is inserted into the newly synthesized DNA strand. This can happen if the DNA polymerase mistakenly incorporates an extra nucleotide during the replication process. As a result, the DNA sequence becomes longer by one nucleotide at the specific insertion point.

These errors can disrupt the reading frame and potentially alter the protein-coding sequence, leading to changes in gene function or protein structure.

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Answer:

The correct answer is: positive feedback.

Explanation:

Positive and negative feedback are terms that are used to define the way a system is regulated by its products. For example, when the production of a certain substance inhibits its producer that is called negative feedback. On the other hand, when a substance stimulates its producer to keep secreting said substance, this is called positive feedback.

Estrogen is a hormone of great importance in the female reproductive cycle and is secreted by the follicle cells in response to the presence of FSH (follicle-stimulating hormone), released by the anterior pituitary when stimulated by the GnRH (gonadotropin-releasing hormone).

Estrogen appears at the beginning of the cycle to stimulate the development of the ovarian follicles, and the hormone levels continue to rise as the cycle advances. Up until the 14th day of the cycle, estrogen has a negative feedback on GnRH and FSH, but then it makes an abrupt change to now exert positive feedback on GnRH to stimulate the release of LH (luteinizing hormone), which will be responsible for ovulation.

Blue-green algae are photosynthetic prokaryotes, while fungi are eukaryotes that obtain nutrition through absorption.

Blue-green algae and fungi are both organisms, but they belong to different domains and have distinct characteristics. Blue-green algae, also known as cyanobacteria, are classified under the domain Bacteria, while fungi belong to the domain Eukarya.

Blue-green algae are prokaryotic organisms, lacking a true nucleus and membrane-bound organelles. They obtain energy through photosynthesis and are capable of converting sunlight into chemical energy. They typically inhabit aquatic environments, such as lakes, ponds, and oceans, and some species can fix atmospheric nitrogen.

On the other hand, fungi are eukaryotic organisms with a distinct nucleus and membrane-bound organelles. They obtain nutrition by absorbing organic matter from their surroundings. Fungi play crucial roles in decomposition and nutrient cycling in ecosystems. They can be found in various habitats, including soil, plants, and even as symbiotic partners with other organisms, such as in mycorrhizal associations.

In summary, the primary differences between blue-green algae and fungi lie in their cellular structure, mode of nutrition, and classification. While blue-green algae are photosynthetic prokaryotes, fungi are eukaryotes that obtain nutrition through absorption. Understanding these distinctions helps in appreciating the diversity and ecological significance of these two groups of organisms.

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Answer:

Passive Ecological Restoration

Explanation:

Explanation:

The concepts of phenotype and genotype are related to genetics.

The phenotype is generally called the external appearance of the living thing, which is formed by the genetic information and environmental effects.

Genotype is the genetic information that an organism carries in its DNA.

For example; Character A is the favorite black color. a is the blue color character.

While the Aa display shows the individual with black eyes in the phenotype, the genotype is expressed as heterozygous dominant black eyes.

Answer:

55.55556mols

Explanation:

The process of Glycolysis is a catabolic process  in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .

Mechanism Of Glycolysis

The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol

Preparatory phase refers to the  generation of two molecules of  glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .

Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate  .

Both the phases of glycolysis takes place in the cytoplasm and there are  three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .

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Answer:

petroleum i think , i may b wrong

Answer: A Coal

Explanation:

mitosis refers to the parts of the original nucleus into two nuclei. On the other hand, meiosis refers to each having half chromosomes of the original cell.

in mitosis, there is the maintenance of chromosomes takes place while meiosis leads to a reduction in the no. of chromosomes. There are no variations in mitosis and variants occur in meiosis.

hence at last we can say that the above are the major difference between mitosis and meiosis. All of the explained differences will clearly lead to identifying them in particular. mitosis and meiosis plays a vital role in formation of gametes.

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Punnett squares are used to predict the genotypic and phenotypic proportions among the progeny produced by a cross. In this case, 100% of the progeny is expected to be dihybrid BbTt, expressing brown eyes and long tail.

The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.

Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.

In the exposed example, we have two genes involved in the cross,

gene 1 codes for eye color

gene 2 codes for tail length

We will assume complete dominance in both cases.

Cross: between a brown eyed and short tailed monkey and a blue eyed and long tailed monkey

Parentals)       BBtt       x       bbTT

Gametes) Bt, Bt, Bt, Bt   bT, bT, bT, bT

Punnett square)    Bt        Bt        Bt       Bt

                  bT     BbTt    BbTt    BbTt    BbTt

                  bT     BbTt    BbTt    BbTt    BbTt

                  bT     BbTt    BbTt    BbTt    BbTt

                  bT     BbTt    BbTt    BbTt    BbTt

F1) 100% of the progeny is exprected to be dihybrid -heterozygous for both traits-, BbTt.

    100% of the progeny is expected to have brown eyes and long tail.

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Answer:

a mixture is made by combining two or more different substances into one, but they are not chemically combined. It means the combination of these substances may only result in a physical combination, and thus the identities of each substance is retained.

Explanation:

The genotype of the F1 offspring is YyTt, and the phenotype is yellow and tall. The probability of each phenotype in the F1 offspring is as follows yellow and tall is 1/2 or 50%, green and short is 1/2 or 50%.

Genotype refers to the genetic makeup or combination of alleles present in an organism, while phenotype refers to the observable traits or characteristics expressed by an organism. Genotype represents the genes an organism carries, while phenotype represents the physical or observable features resulting from the interaction between genotype and the environment.

When a heterozygous ail yellow plant (genotype Yy) is crossed with a homozygous short green plant (genotype tt), the F1 offspring will have the genotype YyTt and the phenotype of yellow and tall. The probability of this phenotype occurring in the F1 generation is 50%. Additionally, there is a 50% probability of the F1 offspring having the phenotype of green and short.

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Inquiry-based pedagogy involves fostering curiosity and active learning. For example, students investigating real-world environmental issues and proposing solutions.

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Answer:

It's a mutation to a change in DNA, the hereditary material of life. An organism's DNA affects how it looks, how it behaves, and its physiology. So a change in an organism's DNA can cause changes in all aspects of its life.

Explanation:

It is not possible to predict the probability of their children having this genetic condition using the information provided.

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Answer:

The non disjunction occurs due to the presence of extra X.

Explanation:

Klinefelter Syndrome is known or can be described as a situation in boys and men which normally resulted to the formation of small testicles. In this case, the testicles usually look smaller than normal size, and actually affects the production of testosterone.

It has been discovered that Klinefelter Syndrome only occurs in male, and usually manifest in the adulthood stage.

It is known to be caused by an extra X gene, which makes it to be XXY.

A statement that carbon is matter and cannot be created or destroyed is an example of part of a scientific theory and is denoted as option A.

This term refers to series of principles which helps to explain a particular phenomenon.

The most suitable choice will therefore be option A as it helps to explain why carbon can't be created or destroyed due to it being a matter and is the correct choice.

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The options include:

A. A statement that carbon is matter and cannot be created or destroyed

B. A policy to reduce the amount of carbon released as pollution

C. An explanation of how plants use carbon for photosynthesis

D. A prediction that fertilized plants will grow taller than unfertilized

plants

Answer:

The correct option is C.

weathering of parent material and the addition of organic material .

Explanation:

Weathering of parent material and the addition of organic material leads to soil formation because weathering involves the break down of rocks by agents such as heat, ice, pressure, water into smaller particles. The broken rocks are then transported to another place where it decompose and mixed with organic materials or matter to form soil. These organic materials include dead and remains of plants and animals which decomposed and when mixed with broken rock particles, it form soil.

The synthesis of an mRNA molecule from a DNA template is called transcription. Therefore, option A is correct.

It is a biological process in which genetic information encoded in DNA is converted into RNA molecules. It is a fundamental step in gene expression and is essential for protein synthesis.

During transcription, an enzyme called RNA polymerase binds to a specific region of DNA called the promoter, which signals the start of a gene. The RNA polymerase unwinds and separates the DNA strands, exposing the template strand. The template strand serves as a guide for synthesizing a complementary RNA molecule.

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The author of the story below uses figurative language to reveal that the narrator feels unnoticed by Natalie (option D)

Figurative language deviates from the usual word order and meaning in order to convey a complex meaning, vivid writing, clarity, or an emotive comparison. By using a regular sentence, it refers to something without actually declaring it.

Figurative language, which is frequently used in both literature and everyday speech, is present in many phrases. Figurative language asks the reader or listener to consider the meaning of something (a "vehicle") in the context of other ideas, actions, or visuals (a "tenor").

Understanding figurative language is necessary to read the Management Discussion and Analysis (MD&A), where management may use a metaphor to clarify complex ideas or the direction the organization is taking.

The question is incomplete, it should be:

My sister Natalie wanted to grow up in seconds and not in years. I was left behind to catch up in real time. Only two years apart, I also felt decades away from her. Natalie wanted privacy, personal room, and mother’s pretty possessions at ten. I longed for her cuddles, which she only dispensed when she had upset me and was sorry. I loved my big sister with every ounce of my being though she felt weighed down by my displays of affection.

“When I was your age, your aunt Jen and I weren’t close,” our mother confessed. “Now, we can’t get enough of each other. Your grandparents are really old, and we share our worries and responsibilities, you know.”

I wasn’t ready to think about that—my beautiful mother being frail or my towering father using a cane. I suspected Natalie would be ahead in the care arrangements and that I would try to play catch-up. I wondered if I would always be just a shadow in Natalie’s life until the day I caught her sobbing in the hallway.

“You didn’t see anything,” Natalie said between sobs and rushed to her room, which she didn’t seal with a locked door.

Entering her neat room, which was a furniture catalog, was a privilege. The veneer of the green curtains added a layer of beauty to the windows. Except for crumbled tissues in the trashcan, nothing seemed unkempt. What had been bothering my perfect sister?

“What’s wrong?” I asked and sat on the edge of the bed to take up the smallest possible space. Then, I spotted a broken friendship bracelet by the night lamp. How could I have not noticed before? Carly hadn’t come over in months. Natalie wasn’t on the phone every free minute of Saturday and Sunday. I had been buried in books and band practice and failed to see my big sister’s loneliness. “Do you want to watch Zombie Cheer together? We don’t have to talk. We can just be…together.”

Natalie lunged at me to hold me tight and wailed until my hair was damp. I let her. Then, she dried her face with tissues and took me by the hand to the living room. Mother had already set up two big bowls of popcorn, which looked like heaps of comfort. Mother always knew everything.

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The correct option is the last one "They provide breeding and nursery grounds for marine organisms". Estuaries are semi enclosed water bodies, that have calmer conditions than open sea. Thus, they are optimal places for growing of early stages of several fish and

invertabrates.

Answer:

question 1: earthquakes and volcanoes are arranged along tectonic plate boundaries.

question 2:Loss of life, Social Impact, Burden due to Injuries, Psychological Trauma, Economic damage, Environmental Damage.