Question

DNA repair mechanism is absent in
a) Nuclear genome
c) Chloroplast genome
b) Mitochondrial genome
d) Both b) and c)
In a DNA moleculo atonin​

Answer 1

Answer:

d is the answer that is why they are called semi-autonomous organelles

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Explanation:

Answer 2

DNA repair mechanism is absent in both chloroplast genome and mitochondrial genome. So the correct answer is option d.

• Chloroplast and mitochondria both are semi-autonomous cell organelle. It means they both have their DNA. The only thing is they are not completely independent in terms of function.

• For DNA repair, they need help of nucleus, which is an autonomous organelle.

• An autonomous organelle is capable of DNA repair as they help in the production of protein. Whereas semi-autonomous organelle can't synthesize protein on their own.