Consider the following statements about Mitochondrial Replacement Therapy MRT or Three Parent Baby a...........

Science Affairs Biology

Consider the following statements about Mitochondrial Replacement Therapy (MRT) or 'Three Parent Baby' and identify the correct one/s.

1. The therapy aims at replacing the faulty mitochondrial DNA from mother with healthy DNA from a donor.

2. Mitochondria are inherited solely from the mother and this results into cases of babies been born with rare mitochondrial diseases if mother has the faulty Mitochondrial DNA.

3. MRT is being opposed as it leads to considerable changes in skin colour, facial features, height etc of the child due to introduction of foreign DNA

Select the correct answer using codes given below

1 and 2 only

1 only

1 and 3 only

All are correct

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Explanation:

The donor’s mitochondria contribute just 37 genes to the child, compared with more than 20,000 from the parents. That is a negligible amount and far less than one would gain from a blood transfusion or organ transplant. No other characteristics in terms of intelligence, eye colour, hair colour, height etc. are changed. UK has become the first country in the world to give approval to MRT.