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NEET NEET SOLVED PAPER 2019

  • question_answer
    A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4, then what will be the frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the population? [NEET 5-5-2019]

    A) 0.16(AA); 0.48 (Aa); 0.36 (aa)

    B) 0.16 (AA); 0.36(Aa); 0.48 (aa)

    C) 0.36 (AA); 0.48 (Aa); 0.16 (aa)

    D) 0.16 (AA); 0.24 (Aa); 0.36 (aa)

    Correct Answer: A

    Solution :

    If A - 0.4, then a - 0.6 So, AA = 0.4 \[\times \] 0.4 = 0.16 Aa = 0.4 \[\times \]0.6 = 0.24 Aa = 0.6 \[\times \] 0.6 = 0.36


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