Question

sex - linked traits (traits carried on either the x or y chromosome) can only be expressed in one sex. true false

Explanation:

Sex - linked traits are not exclusive to one sex. For example, X - linked recessive traits can be expressed in both males (who have one X chromosome) and females (who need two recessive alleles on their X chromosomes). Y - linked traits are mainly in males, but X - linked traits can show in both.

Answer:

B. False