Multiple Choice
What is the genotype of a person with cystic fibrosis?
A) The genotype includes two mutant CFTR genes,one each on the homologous chromosomes for chromosome 7.
B) The genotype includes one mutant CFTR gene and one normal gene,one each on the homologous chromosomes for chromosome 7.
C) The genotype includes two mutant CFTR genes,both on a single homologous chromosome 7;the other homologous chromosome 7 is normal.
D) The genotype includes only one homologous chromosome 7;the second chromosome 7 is missing.
E) The genotype includes 2 additional chromosomes with the mutant CFTR gene,making a total of 25 chromosomes.
Correct Answer:

Verified
Correct Answer:
Verified
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