Manipal Medical Manipal Medical Solved Paper-2007

  • question_answer
    One of the parents of a cross has mutation in its mitochondria. In that cross, that parent is taken as a male. During segregation of\[{{F}_{2}}\] progenies that mutation is found in

    A)  one-third of the progenies

    B)  none of the progenies

    C)  all of the progenies

    D)  fifty percent of the progenies.

    Correct Answer: B

    Solution :

    It is the female reproductive cell which usually   carries   more   cytoplasm   and cytoplasmic organelles than the male cell and hence, naturally would be expected to influence non-Mendelian traits. Since in the present case the male parent (not female) had mutation in mitochondria, there are neglible chances of the mutation being inherited.


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