alexis9092 alexis9092
  • 11-03-2024
  • Biology
contestada

How can Emily have a recessive disease, cystic fibrosis, when both of her parents and her two older brothers are healthy?

A. Her parents are both phenotypically homozygous.
B. Her parents are both genotypically homozygous.
C. Her parents are both phenotypically heterozygous.
D. Her parents are both genotypically heterozygous.

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