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Salsk061 [2.6K]
3 years ago
12

If a man with one dominant gene for Huntington’s disease marries a women who has no genes for the disease, what is the probabili

ty that their child will have the disease?
a. 25%
b. 100%
c. 0%
d. 50%
Biology
1 answer:
Westkost [7]3 years ago
3 0

Answer:

The correct answer is 50 %.

Explanation:

Huntington’s disease has autosomal dominant inheritance. This means that the children of one parent with one dominant gene for Huntington’s disease will get the disease with a 50% chance.

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Over the past 60 years, many amphibian species have experienced significant population declines and some species have become ext
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Answer:

a bottleneck effect

Explanation:

Genetic drift refers to the change in the allele frequencies in a population due to chance (random) events. The bottleneck effect, also known as population bottleneck, can be defined as a severe case of genetic drift caused by a drastic reduction in the population size. The bottleneck effect is well known to cause the loss of important genetic variation since alleles that were present in the original population are lost, thereby limiting its genetic diversity. One of the most common causes that may lead to a population bottleneck in a natural population is environmental disasters (e.g., earthquakes, floods, etc).

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Which phase change process below involves the addition of thermal energy or heat? (select all of the ones that apply)
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Answer:

<u>Melting</u> and <u>Vaporization</u> are processes among the following which involves the addition of thermal energy or heat.

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2 years ago
2. Students collected and recorded the pH
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Answer:

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The purpose of the mucus found within the respiratory system is to A. help move air through the windpipe. B. trap particles from
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2 years ago
Explain the stages of tissue repair and fill in the blanks.
svp [43]

Answer:

a. Following an injury that breaks the surface of the skin. blood vessels dilate as a result of histamine release from mast cells and other damaged cells.

b. The blood forms a clot and upon drying, a scab forms a barriers between the body and the environment, while phagocytes work to clear the underlying debris from the wound site.

c. Blood vessels begin to re-grow into the wound while fibroblasts begin process of replacing the blood clot with Collagen

d. The remodeling phase then occurs as fibrosis and regeneration of tissues may continue for prolonged period of time.

Explanation:

Hello. Although you did not have all the answer options for the blanks presented in the sentences above, it is possible to conclude that the words in bold are the most appropriate to fill these spaces.

That's because when we cut ourselves, the blood vessels on the surface of our skin rapidly dilate, allowing a flow of blood to be observed. This dilation is accomplished by the release of histamine, which is released by mast cells, which are glands that regulate the immune response. At this point, it is important that any impuzera or microorganism, close to the wound site, is removed and this site undergoes cleaning. This is done by phagocytes, which are intended to prevent the cut from becoming the entrance to a bacterial infection.

Then the blood vessels begin to move and grow again across the wound, with the aim of covering this opening. In this comment, fibroblasts begin to apply collagen and replace the blood clot formed to prevent blood loss. Collagen will be responsible for maintaining the skin and tissues that will be rebuilt in the remodeling phase.

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3 years ago
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