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Sex-Linked Traits

Sex-Linked Traits. Sex-Linked Traits. Traits whose alleles are located on sex chromosomes. X-linked traits are traits whose allele is carried on the X chromosome. Y-linked traits are traits whose allele is carried on the Y chromosome. Most

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Sex-Linked Traits

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  1. Sex-LinkedTraits

  2. Sex-Linked Traits Traits whose alleles are located on sex chromosomes X-linked traits are traits whose allele is carried on the X chromosome Y-linked traits are traits whose allele is carried on the Y chromosome. Most Y-linked mutations lead to sterility, and can not be inherited.

  3. Sex-linked = X-linked Because X-linked traits are traits the predominant sex-linked traits, for our purposes:

  4. Color Blindness:An X-linkedRecessive trait

  5. Punnett Square Carrier mother XC Xc XC XCXc XCXc Unaffected father 25% 25% Y XCY XcY 25% 25% Colorblind male

  6. A Pedigree - Colorblindness

  7. Hemophilia: Another X-linkedRecessivetrait

  8. Punnett Square Carrier mother XH Xh XH XHXH XHXh Unaffected father 25% 25% Y XHY XhY 25% 25% Hemophiliac male

  9. Hemophilia in Europe’s Royalty

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