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Question
If A = normal allele, a = albino allele, then genotypes of father and mother respectively are?
If A = normal allele, a = albino allele, then genotypes of father and mother respectively are?
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Solution
The correct option is B Aa and Aa
Albinism is hereditary lack of pigmentation in an organism. It is an autosomal recessive disorder.Albino humans lack dark pigment melanin in their skin, hair or eyes. The allele responsible is recessive to allele for normal pigmentation. Fathers and mothers genotype should be Aa. They both are carriers of the disease.The chances of this couples fifth child being an albino are 1 in 4. So, the correct answer is 'Aa and Aa'
Albinism is hereditary lack of pigmentation in an organism. It is an autosomal recessive disorder.Albino humans lack dark pigment melanin in their skin, hair or eyes. The allele responsible is recessive to allele for normal pigmentation. Fathers and mothers genotype should be Aa. They both are carriers of the disease.The chances of this couples fifth child being an albino are 1 in 4.
So, the correct answer is 'Aa and Aa'
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