Traits Controlled by Sex- Linked Recessive Genes Are Expressed More

question 12

Multiple Choice

Traits controlled by sex- linked recessive genes are expressed more often in males because

• A) all male offspring of a female carrier get the gene.
• B) the male has only one gene for the trait.
• C) males always carry two copies of these genes.
• D) males inherit these genes from their fathers more often than their mothers.
• E) males get more doses of the recessive gene than do females.

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