BotanyThe genotypes of a husband and wife are IAIB and IAi. Among the blood types of their children, how many different genotypes and phenotypes are possible.

The genotypes of a husband and wife are IAIB and IAi. Among the blood types of their children, how many different genotypes and phenotypes are possible.

  1. A

    3 genotypes; 3 phenotypes

  2. B

    3 genotypes; 4 phenotypes

  3. C

    4 genotypes; 3 phenotypes

  4. D

    4 genotypes; 4 phenotypes

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    Solution:

    A cross between a husband and wife one with AB blood group md the other with A blood group will product four genotypes and three phenotypes. It has beet depicted by the cross given below

    Thus, the genotypes and the phenotypes of the offspring would be
    Genotypes : 4(IAIA, IAIB, IA i, IB i)
    Phenotypes : 3 (A, B, AB)

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