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Extranuclear inheritance occurs in

1. peroxisome and ribosome
2. chloroplast and mitochondria
3. mitochondria and ribosome
4. chloroplast and lysosome

Correct answer: chloroplast and mitochondria

Solution

Extranuclear inheritance refers to traits controlled by genetic material outside the nucleus. Chloroplasts and mitochondria both contain their own DNA and are passed through the cytoplasm, so they show extranuclear inheritance.

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