SEX-LINKED or X-LINKED In humans, hemophilia is a sex linked trait. Females can

Question

SEX-LINKED or X-LINKED In humans, hemophilia is a sex linked trait. Females can be normal, carriers, or h have the disease or not (but they won't ever be carriers) n be normal, carriers, or have the disease. Males will ether ave the disease. Males will either XHXH- female, normal X'"X h= female, carrier xhxh- female, hemophiliac x y male, normal x hye male, hemophiliac 16. Show the cross of a man who has hemophilia with a woman who is a carrier. Parent genotypes and Parent phenotypes Offspring genotype and percentages Offspring phenotype and percentages and 17. A woman who is a carrier marries a normal man. Show the cross. What sex willa child in the family with hemophilia be? Parent genotypes and Parent phenotypes Offspring genotype and percentages Offspring phenotype and percentages and

Explanation / Answer

16. Parent phenotype- Father XhY Mother XHXh

Parent Genotype- Father - Haemophillic Mother- Carrier

Offspring genotype and %age: XHXh (25%) XhXh (25%) XH Y(25%) XhY (25%)

Offspring phenotype and %age: Haemophillic (50%) normal male (25%) female carrier(25%)

Xh Y XH XHXh XH Y Xh XhXh XhY

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