Question

What is the difference between sex-linked traits and autosomal traits in humans?

A.
Sex-linked traits only affect females, while autosomal traits affect both males and females.
B.
Sex-linked traits refer to genes that are on the X and Y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.
C.
Sex-linked traits are passed on through the X and Y chromosomes, while autosomal traits are passed on through the other 22 chromosomes.
D.
Sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex.

Answer 1

Genes on the X or Y chromosomeare called sex-linked. ... Forexample, an X-linked recessive allele in humans causes haemophilia, which is much more common inmales than females because malesare hemizygous (see zygosity) and therefore express the trait when they inherit one mutant allele.