Three Parent Baby : A Baby With One Father And Two Mothers

Question 1 Which of the following statements is/are correct with respect to the 'three parent baby'?

a) Such a baby is born after faulty bits of the mother's DNA are replaced by those taken from a healthy donor.
b) Mexico has become the first country to legalise three parent babies.
c) Both a and b
d) Neither a nor b

Question 2: A three parent baby is born after faulty bits of the mother's mitochondrial DNA are replaced by those taken from a healthy donor. Which of the following statements is incorrect in this respect?

a) Mitochondria are doubled membraned and self replicating cellular organelles.
b) Mitochondria are commonly known as the powerhouse of the cell.
c) Mitochondrial DNA makes up less than 0.0005% of the entire human DNA.
d) A child receives Mitochondrial DNA from both father and mother.

Answers:

1) a, United Kingdom has become the first country to legalise three parent babies.
2) d, A child receives Mitochondrial DNA only from the mother (maternal inheritance).

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