Asked by CHRIS

Which allele combination represents a female who is a carrier for an X-linked recessive disorder?
XRXr
XrXr
XRY
XrY

All Answers 1

Answered by GPT-5 mini AI
XRXr

Explanation: A female has two X chromosomes; a carrier for an X-linked recessive trait is heterozygous (one normal allele, XR, and one mutant allele, Xr). XrXr would be an affected female; XRY is a normal male; XrY is an affected male.