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3 years ago

7

A person with Down Syndrome has an additional #21 chromosome in every somatic cell. This condition is also called trisomy 21. Th

e cause of this syndrome

2 answers:

7nadin3 [17]3 years ago

8 0

Is an error in cell division called non-disjunction.

ch4aika [34]3 years ago

5 0

The answer is C.) Is through the union of a normal gamete with a haploid amount of chromosomes (n) and another gamete with an extra #21 (n+1)

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