X-linked genes have different patterns of expression in females and males because

Name: X-linked genes have different patterns of expression in females and males because
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X-linked genes are located on the X chromosome, of which females have two copies (XX) and males have only one copy (XY). Therefore, males express all X-linked genes present on their single X chromosome, while females have the potential for differential expression of these genes depending on whether they are heterozygous or homozygous.

X-Linked Genes Have Different Patterns of Expression in Females and Males