(B) Mitochondrial $DNA$ is inherited exclusively through the cytoplasm of the egg cell (maternal inheritance).Since the parent with the mitochondrial

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(B) Mitochondrial $DNA$ is inherited exclusively through the cytoplasm of the egg cell (maternal inheritance).Since the parent with the mitochondrial mutation is used as the male,the sperm contributes only nuclear $DNA$ and virtually no cytoplasm to the zygote.Therefore,the mitochondrial mutation is not transmitted to the $F_1$ generation,and consequently,it will not be present in the $F_2$ generation.Thus,the mutation is not observed in any offspring.

Class 12 Biology Principles of Inheritance and Variation Interaction of gene and cytoplasmic inheritance

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In a cross,one parent has a mutation in its mitochondria. In this case,this parent is taken as the male. During analysis,in which offspring is this mutation observed in the $F_2$ generation?

AIPMT 2004 All AIPMT

A
In $\frac{1}{3}$ of the offspring
B
Not observed in any offspring
C
In all offspring
D
In $50\%$ of the offspring

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Class 12

Biology Questions

Chapter

Principles of Inheritance and Variation

Subtopic

Interaction of gene and cytoplasmic inheritance

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AIPMT 2004 Paper All AIPMT years →

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In a cross,one parent has a mutation in its mitochondria. In this case,this parent is taken as the male. During analysis,in which offspring is this mutation observed in the $F_2$ generation?

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