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If a man has an X-linked recessive disorder and his mate does not carry the allele for it, all of their girls will be carriers. None of their boys will inherit the harmful allele. Only girls receive X chromosomes from their fathers. Queen Victoria of England was a carrier of the gene for hemophilia. She passed the harmful allele for this X-linked trait on to one of her four sons and at least two of her five daughters. Her son Leopold had the disease and died at age 30, while her daughters were only carriers.Some genetic diseases are sex-linked AND The pattern of inheritance is different with sex-linked genes due to their location on sex chromosomes AND. Sex-linked Inheritance ｜This page represents an online version of the life science textbook in English.（Edited by:CSLS/The University of Tokyo). Human X and Y chromosomes determine the biological sex of a person, with XX . X-linked genes have different inheritance patterns than genes on non-sex...the end of the story look at the video above ↑ ↑ ↑
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