Biology, asked by heisenberg148369, 1 year ago

what is familial down's syndrome? can anyone explain.​

Answers

Answered by ravi38233
2

Answer:

genetic syndrome

Explanation:

Down syndrome is a chromosomal abnormality characterized by the presence of an extra copy of genetic material on the 21st chromosome, either in whole trisomy 21 or part such as due to translocations. The effects of the extra copy varies greatly fro

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