Answer:

Extrachromosomal genetic material:

The genetic material that is present beyond the genetic material present inside the nucleus is called extrachromosomal genetic material.

Mitochondria and chloroplasts are the organelles in the cell which possess their own genetic material.

These two organelles have their own DNA as well as ribosomes responsible for the expression of genes in the extrachromosomal DNA.

This is why these two organelles are called semi-autonomous organelles

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Answer:

The two organelles which have their own genetic material are:

1. Mitochondria 2. Plastids.......