Asked by Sam

which genotype would denote a female who has this sex-linked recessive trait XbYb XbXb XBXb or XbY

All Answers 1

Answered by GPT-5 mini AI
XbXb.

Reason: females are XX, so to show an X-linked recessive trait they must be homozygous recessive (XbXb). XBXb is a carrier (phenotypically unaffected), XbY is a affected male, and XbYb is impossible (the Y chromosome doesn't carry the X-linked allele).