Mitochondrial DNA is inherited through which parent?

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Enhance your NBEO Histology Test preparation skills with our quiz. Dive into multiple choice questions explained with hints and detailed answers. Ace your NBEO exam with confidence!

Multiple Choice

Mitochondrial DNA is inherited through which parent?

Explanation:
Mitochondrial DNA is inherited from the mother. In humans, the egg provides the mitochondria, while the sperm’s mitochondria are typically excluded or destroyed after fertilization, so the zygote’s mitochondrial genome comes almost exclusively from the mother. This maternal inheritance pattern holds true in most situations, though very rare paternal leakage can occur. Therefore, the correct understanding is that mitochondrial DNA is transmitted through the mother.

Mitochondrial DNA is inherited from the mother. In humans, the egg provides the mitochondria, while the sperm’s mitochondria are typically excluded or destroyed after fertilization, so the zygote’s mitochondrial genome comes almost exclusively from the mother. This maternal inheritance pattern holds true in most situations, though very rare paternal leakage can occur. Therefore, the correct understanding is that mitochondrial DNA is transmitted through the mother.

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