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Q32. With reference to 3-Parent technique, consider the following statements?

1. A 3-parent baby contain DNA from three persons. (2 male and 1 female).

2. The techniques involves in invitro fertilization of mother’s egg and donor’s egg with the father egg.

3. Norway became the first country to approve 3-parent technique.

Which of the above statement(s) is/are correct?


A

(a) Only 1 and 3

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B

(b) Only 1 and 2

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C

(c) Only 2

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D

(d) All of the above

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Solution

The correct option is C

(c) Only 2


United Kingdom became the first country in the world to approve the 3-parent technique. A 3-parent baby to contain Deoxyribonucleic acid (DNA) from three persons. This technique allows parents with rare genetic mutations to have healthy babies by replacing a mother's faulty mitochondrial DNA (mDNA) with another woman's mDNA.

In this technique, Mitochondria are structures in cells which generate vital energy and contain their own set of genes called mDNA.

The technique involves in vitro fertilization of both the mother's egg and a donor's egg with the father's sperm. Before these two fertilised eggs begin dividing into an embryo, the unhealthy mother’s egg nucleus is replaced with egg's nucleus of a healthy donor.

As Mitochondrial diseases are passed through the mother and cause symptoms ranging from poor vision to diabetes and muscle wasting


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