If one parent is heterozygous white (Ww) and the other is homozygous black (ww), give the phenotype and genotype ratios for this cross.

Answers

Answer 1
Answer: So if you cross a heterozygous white and a homozygous black, draw a punnet square. So the box is a 2 by 2 with Ww on the top two and ww on the side to. So in the top left corner, it would be Ww, top right, ww, bottom left, Ww, and bottom right, ww. So the possible phenotypes is half and half Ww and ww. This means that two of the potential phenotypes are Ww and ww, both occurring 50% of the time

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Why do you think scientists use the word mutate to describe the genetic process shown in the video?

Answers

Answer: To mutate is to change, especially genetically. When plants mutate, their genes change in a way that makes them look, grow, or reproduce differently. The word mutate comes up most often in biology, to describe the natural — or artificial — process of genetic change.

Explanation:

Answer and Explanation

Mutate means “to change into something else.” When a mutation occurs in a gene, it changes the way a gene expresses in an organism. Proteins are the products of gene expression. Therefore, a mutation in a gene may cause a change in the way proteins form.

Alleles for the same trait are separated from each other during the process of

Answers

Answer:

Anaphase 1 of meiosis.

Explanation:

Alleles are the alternative form of the same gene and present on the same chromosome. The alleles get separate at the time of meiosis.

The separation of homologous chromosomes during Anaphase 1 allows the separation of alleles of a particular trait. The new combination of allele is possible during thus phase.

Thus, the correct answer is Anaphase 1.

Meiosis, specifically: Anaphase I.

When the M phase begins during the cell cycle, it starts with____.

Answers

Answer:

-Prophase.

Explanation:

Cell cycle involves a series of events that leads to formation of two daughter cells by division of a parent cell. It can be divided into two phases, interphase and mitotic phase (M phase)

The M phase involves division of nucleus and cytoplasm to produce two daughter cells. It is divided into prophase, metaphase, anaphase, telophase and cytokinesis.

Hence, the first stage of M phase is prophase, in which condensation of chromosomes begins, nuclear membrane disintegrates, and nucleolus starts to disappear.

Thus, the correct word to be fill in the blank is 'prophase

Prophase. The m phase consists of prophase, prometaphase, metaphase, anaphase, and telophase.

What is the main reason that people are hesitant to use nuclear energy?

Answers

The main reason why people are hesitant to use nuclear energy, is because it would produce so much radioactive waste which in turn can cause negative effects on the human body when exposed to them and would cause new types of diseases to appear.

Answer:

a. it produces radioactive waste.

for edgenunity

Explanation:

Why aren’t there many fossil jellyfish?

Answers

Jellyfish have no bones.

There aren't many jellyfish fossils because they are made of soft tissues and they dont hve and bones hope this helps.

Which statement best describes temperature variations?Variations are greater over water than over land.

Variations over water cannot be determined.

Variations are the same over water and land.

Variations are greater over land than over water.

Answers

The correct option is this: VARIATIONS ARE GREATER OVER LAND THAN OVER WATER.

Temperature variation over water is very small compared to temperature variation over land. This is because, water has high specific heat capacity, which enables it to resist temperature changes when it absorb heat or when it releases heat. A large amount of heat has to be lost or gained before water will show a one degree Celsius temperature change.

Answer:

VARIATIONS ARE GREATER OVER LAND THAN OVER WATER.

Explanation: