Recessive X-Linked Traits Are More Likely to Be Expressed in a Male

question 25

Multiple Choice

Recessive X-linked traits are more likely to be expressed in a male fruit fly than a female fruit fly because

• A)males are haploid.
• B)the male's phenotype results entirely from his single X-linked gene.
• C)the male chromosome is more fragile than the female chromosome.
• D)the male chromosome is more susceptible to mutations.