Question

How does mitochondria comes only from Mother if whole of the sperm penetrates the egg?​

Answer 1

HERE IS YOUR ANSWER

mitochondria are normally inherited exclusively from the mother; the mitochondria in mammalian sperm are usually destroyed by the egg cell after fertilization.The fact that mitochondrial DNA is maternally inherited enables genealogical researchers to trace maternal lineage far back in time.

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Answer 2

Answer:

mitochondria are normally inherited exclusively from the mother; the mitochondria in mammalian sperm are usually destroyed by the egg cell after fertilization. ... The fact that mitochondrial DNA is maternally inherited enables genealogical researchers to trace maternal lineage far back in time.

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