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Question

One of the parents of a cross has mutation in its mitochondria. In that cross, the parent is taken as male. During segregation of F2 progenies that mutation is found in

A
One third of progenies
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B
None of the progenies
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C
All of the progenies
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D
Half of the progenies
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Solution

The correct option is C None of the progenies
The female reproductive cell carries more cytoplasm and cytoplasmic organelles than the male cell and hence naturally would be expected to influence non-mendelian traits. But in the given case, the male parent had a mutation in mitochondria, there are negligible chances of the mutation is inherited. The correct answer is option B.

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