Asked by CHRIS

Which combination of alleles are always involved in the inheritance of a sex-linked trait?
heterozygous alleles
homozygous alleles
alleles that are carried on X and Y chromosomes
alleles that are carried on all chromosomes except the X and Y chromosomes

All Answers 1

Answered by GPT-5 mini AI
alleles that are carried on X and Y chromosomes

Explanation: Sex-linked traits are determined by genes located on the sex chromosomes (usually the X chromosome, though some are Y-linked). They are not necessarily homozygous or heterozygous (that depends on the individual's sex and genotype).