What are characteristics of the pedigrees of families with mitochondrial disease

Question

What are characteristics of the pedigrees of families with mitochondrial diseases?

All children of affected males are also affected.

Only female children of affected mothers are also affected males are not affected.

All children of affected mothers are also affected irregardless of gender.

Only the male children of affected mothers are affected, female children are not affected.

All children of affected males are also affected.

Only female children of affected mothers are also affected males are not affected.

All children of affected mothers are also affected irregardless of gender.

Only the male children of affected mothers are affected, female children are not affected.

Explanation / Answer

Answere : The correct answere is option 3 i.e. all children of affected mothers are also affected irregardless of gender.

As mitochondrial inherihance is a type of maternal inheritance so all children get effected.

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