Question
Biology Question on the molecular basis of inheritance
DNA is mainly found in
A
nucleolus
B
nucleus only
C
cytoplasm only
D
none of these.
Answer
nucleus only
Explanation
Solution
DNA is mainly found in nucleus. It is associated with RNA and proteins to form compact chromosomes. But some amount of DNA is also found in chloroplasts and mitochondria. This DNA is called extra-chromosomal DNA.