w many chromosomes would be observed in the body cell of a person whose mother produced an otherwise normal egg cell with two copies of chromosome 21?…

1 How many chromosomes would be observed in the body cell of a person whose mother produced an otherwise normal egg cell with two copies of chromosome 21?

A. 21

B. 42

C. 45

D. 47

E. 63

2. Corrine is pregnant and is planning to request a karyotype of her fetus. What might the karyotypebe LEAST likely to detect?

A. A gene mutation

B. A duplication

C. A translocation

D. A deletion

E. An inversion

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