Biology

Biology, 22.03.2020 02:14, cjjohnson1221

Cystic fibrosis is caused by
A. a small change in the DNA sequence of one gene.
O
B. nondisjunction during meiosis in the father.
C. crossing over between X and Y chromosomes.
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D. the combined effects of several genes.

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Cystic fibrosis is caused by
A. a small change in the DNA sequence of one gene.
O
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