asked 60.0k views
5 votes
Down syndrome most often occurs when _____.

A: a person inherits a recessive allele

B: blood fails to clot properly

C: sickle-shaped cells become stuck in blood vessels

D: chromosomes fail to separate properly during meiosis

1 Answer

1 vote

Answer:

D: chromosomes fail to separate properly during meiosis

Step-by-step explanation:

answered
User Soraphis
by
9.6k points
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