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3 years ago

9

Although the most frequent forms of down syndrome are caused by a random error, nondisjunction of chromosome 21, down syndrome o

ccasionally runs in families. the cause of this form of familial down syndrome is ________.

1 answer:

den301095 [7]3 years ago

3 0

Genetic disorder facts

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What type of carbon cycling occurs when plants take in carbon dioxide from the atmosphere to make food and plants, and animals r

liberstina [14]

Answer:

short-term carbon cycling

Explanation:

my answer points to the idea that it takes a shorter amount of time for the process to occur

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2 years ago

List 2 organelles found in an animal cell and explain how those 2 organelles benefit the cell.

pav-90 [236]

Answer:

I chose nucleus and the mitochondria

Explanation:

The nucleus is particularly important among eukaryotic organelles because it is the location of a cell's DNA. Two other critical organelles are mitochondria and chloroplasts, which play important roles in energy conversion and are thought to have their evolutionary origins as simple single-celled organisms.

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2 years ago

25. Which of these does natural selection work on?

galina1969 [7]

The answer is B. Natural selection will find a way to affect one, then that one will affect many others.

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3 years ago

8.<br> Which one do you think, more often, results in an offspring not surviving? Explain

KiRa [710]

Answer:

l need the choseises to pick the correct one

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3 years ago

Are all experiments designed the same? Explain your answer.

tensa zangetsu [6.8K]

No

Explanation:

because we consider the experiment provided to be carried out

different experiment have different equipments

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2 years ago