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MA_775_DIABLO [31]
3 years ago
8

Down syndrome occurs when an individual has an extra copy of chromosome 21. This

Biology
1 answer:
Digiron [165]3 years ago
6 0

Answer:

C. A mutation

Explanation:

Down syndrome is a genetic disorder in which there is a partial or full extra chromosome in a person. Genetic disorders are caused by some sort of mutation or combination of mutations.

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A cyclin called cyclin E forms a complex with a cyclin-dependent kinase called Cdk 2. This complex is important for the progress
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Answer:

B. The amount of unbound cyclin E is lowest as the cell enters S.

Explanation:

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4 years ago
"if an organism's dna contains 20% adenine nucleotides, what percentage of its dna is composed of guanine nucleotides?"
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3 years ago
What direction does energy transfer when it stops
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Answer:

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Explanation:

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4 0
2 years ago
whats the name of the tube which utilizes rhythmic constriction and relaxation to bring food to the stomach
Zanzabum

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