Multiple Choice
What is meant by variable expressivity?
A) When an allele is sometimes dominant and sometimes recessive
B) When penetrance is 100%
C) When members of a group of true-breeding wild-type individuals sometimes exhibit the phenotype of a recessive gene
D) When a group of affected individuals do not all have exactly the same mutant phenotype
Correct Answer:

Verified
Correct Answer:
Verified
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Q24: Which of the following statements about the
Q26: Match the phenotypes to their dominance descriptions
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