Question

What is point mutation? Give one example.
Who had proposed the chromosomal theory​

Answer 1

Answer:

1. A point mutation or substitution is a genetic mutation where a single nucleotide base is changed, inserted or deleted from a DNA or RNA sequence of an organism's genome.

Examples of Diseases Caused by Point Mutations

Cystic Fibrosis.

2. The chromosomal theory of inheritance was proposed by Sutton and Boveri in 1903