Extranuclear inheritance is due to the presence of genes in

Options

A. mitochondria and chloroplasts
B. nucleus and mitochondria
C. nucleus and chloroplasts
D. endoplasmic reticulum and mitochondria.

Answer

A

Explanation

Chloroplasta and mitochondria are semi-autonomous cell-organelles possessing their own DNA and proteins. In animals an individual gets mitochondria and mitochondrial genes from its mother because the middle piece of a sperm that contains mitochondria does not enter the egg during fertilisation. This inheritance pattern of mitochondrial genes is called uniparental inheritance pattern of mitochondrial genes is called uniparental inheritance or extra nuclear inheritance or maternal inheritance.