UPSC PRELIMS · GEOGRAPHY · MITOCHONDRIAL INHERITANCE
In the context of hereditary diseases, consider the following statements: 1. Passing on mitochondrial diseases from parent to child can be prevented by mitochondrial replacement therapy either before or after in vitro fertilization of egg. 2. A child inherits mitochondrial diseases entirely from mother and not from father. Which of the statements given above is/are correct?
Take a breath. Choose one. Press A–D on your keyboard if you like.
EXPLANATION
Mitochondrial replacement can prevent transmission of maternal mitochondrial disease; mitochondrial DNA is ordinarily inherited from the mother.
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