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A pedigree is shown below for a disease that is autosomal dominant. The genetic make up of the first generation is
  • a)
    AA, Aa
  • b)
    Aa, aa
  • c)
    Aa, AA
  • d)
    Aa, Aa
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A pedigree is shown below for a disease that is autosomal dominant. Th...
As the disease is autosomal dominant hence, the male parent who is normalm must have the homozygous recessive genotype i.e., aa. The affected female can have either Aa or AA genotype. If the genotype is AA, all the progenies will surely be diseased but if the genotype is Aa there is 50 % chance of having normal offsprings. But unfortunately the couple has produced only affected progeny and each of them must have the genotype Aa.
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Most Upvoted Answer
A pedigree is shown below for a disease that is autosomal dominant. Th...
Hair in the first diagram shows thatthe recessive one is mutated by through the second generation with translate into the second generation ofthe 1st.
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A pedigree is shown below for a disease that is autosomal dominant. Th...
In the parental generation one is unaffected as it is given that the disease being suffered is autosomal dominant, for a person to not suffer from it they must have two recessive alleles . the only case in that way would be B option
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A pedigree is shown below for a disease that is autosomal dominant. The genetic make up of the first generation isa)AA, Aab)Aa, aac)Aa, AAd)Aa, AaCorrect answer is option 'B'. Can you explain this answer?
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