X-Linked Genes in Humans Are Easier to Study Than Autosomal

Multiple Choice

X-linked genes in humans are easier to study than autosomal genes because

A) recombination frequencies are lower.
B) hemizygosity in males allows the effects of genotypic pairings to be observed.
C) Suitable pedigrees are easily available.
D) they do not have as high a recombination rate.
E) there are fewer genes to deal with.