Explain why the term ‘homozygous’ and ‘heterozygous’ with resp – InterviewSolution

1.	Explain why the term ‘homozygous’ and ‘heterozygous’ with respect to an X-linked trait are applicable to human females but not to human males?
Answer» Females have two X chromosomes. Therefore, two alleles of a gene are present on the homologous chromosomes which can be either in a heterozygous or homozygous condition. Whereas males have only one X chromosome and one Y chromosome. Since, these do not have homologous chromosomes, so a single form of gene is present.

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