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denpristay [2]
3 years ago
14

I WILL GIVE BRAINLIEST!!!

Biology
2 answers:
frutty [35]3 years ago
4 0

Explanation:

50% chance of a having a girl without the disease who is a carrier. This means that none of his children would actually show the signs ... choice A.

IrinaVladis [17]3 years ago
3 0

Answer:

100 percent

Explanation:

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A father possesses an X-linked disorder. What is the chance that his son will inherit this genetic abnormality from the father?
Svet_ta [14]

X-linked disorder is a recessive autosomal disorder, which means that

There is a 1 in 4 chance (25%) of having a child who is unaffected.

There is a 1 in 4 chance (25%) of having a child who is affected by the condition. These children have two copies of the gene that do not work correctly.

There is a 1 in 2 chance (50%) of having a child who is a carrier of the condition.  These children have one working copy of the gene and one copy of the gene that does not work correctly.

7 0
3 years ago
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Why is it important that cells contain catalase?
Triss [41]
<span>Catalase catalyzes the decomposition of hydrogen peroxide to water and oxygen. It is a very </span>important<span> enzyme in protecting the </span>cell<span> from oxidative damage by reactive oxygen species. Hope this answers the question. Have a nice day.</span>
7 0
3 years ago
Identify the events that lead to a lake-effect snow.
Pavel [41]

Lake Effect snow occurs when cold air, often originating from Canada, moves across the open waters of the Great Lakes. As the cold air passes over the unfrozen and relatively warm waters of the Great Lakes, warmth and moisture are transferred into the lowest portion of the atmosphere. The air rises, clouds form and grow into narrow band that produces 2 to 3 inches of snow per hour or more.

<h3>Which are the key factors in lake snow affect?</h3>

Wind direction is a key component in determining which areas will receive lake effect snow. Heavy snow may be falling in one location, while the sun may be shining just a mile or two away in either direction.

The physical geography of the land and water is also important.

For more information regarding snow lake effect, visit:

brainly.com/question/21705696

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5 0
2 years ago
In the same science fair, Tina asks the question "Does caffeine
77julia77 [94]

How many drops of caffeine she drops on the worm is the manipulated variable.

In an experiment, the independent variable is a manipulated variable. Due to the fact that you may alter it, it is termed the "manipulated" one. In other words, you can choose in advance whether to raise it or lower it. Only one variable should be changed at a time throughout an experiment.

The Independent variable is Caffeine's impact. the production and use of nitrogen fertilizers, as well as the burning of fossil fuels in autos, power plants, and industries, are dependent variables that are local in scope.  the heart rate of the worm is the responding variable in this experiment.

When an earthworm is given a stimulant like caffeine, its heart rate rises. Does coffee make an earthworm's heart beat faster? is the research topic upon which the experiment is based. The effect of coffee is the independent variable in this research question, and the response it causes is a change in heart rate (the dependent variable) This brings us to the following theory: "If an earthworm is given a stimulant like caffeine, then its heart rate accelerates."

To know more about manipulated variable refer to:  brainly.com/question/11505552

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6 0
1 year ago
Which nucleic acid is pictured on the right? Justify your answer.
alukav5142 [94]

Answer:

Nucleic Acids:

- Uracil

- Adenine

- Guanine

- Cytosine

Explanation:

Since we only have one strand shown, I'm going to assume it is RNA. Both DNA and RNA have nucleic acids, but RNA has 1 different nucleic acid; it replaces Thymine with Uracil. So the 4 nucleic acids are uracil, adenine, guanine, and cytosine.

If the picture shown is a cross-section of DNA, then our 4 nucleic acids are adenine, thymine, guanine, and cytosine.

6 0
3 years ago
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