Multiple Choice
People with the same cystic fibrosis alleles at the CFTR site do not always exhibit the same symptoms-some are sicker than others.Which of the following best explains this?
A) the influence of modifier genes
B) the influence of deletion genes
C) the presence of other genes that code for normal CFTR protein
D) the presence of another gene that fixes the deformed protein
E) worse symptoms in men than in women
Correct Answer:
Verified
Correct Answer:
Verified
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