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From: Talmaran
Category: Doctor
Added: 3 months ago
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Linked sex traitIf 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.Sex-linked Traits. If a gene is found only on the X chromosome and not the Y chromosome, it is said to be a sex-linked trait. Because the gene controlling the trait. If the gene is recessive, then males only need one such recessive gene to have a sex-linked trait rather than the customary two recessive genes for traits that are. Genes that are carried by either sex chromosome are said to be sex linked. X- linked recessive traits that are not related to feminine body characteristics are...the end of the story look at the video above ↑ ↑ ↑

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