Question

Name the following:

A sudden heritable change in the gene.

Answer 1

Mutation

1. The mutation is the sudden heritable variation that appears in an organism due to changes in genetic material caused by faulty DNA replication and changes in chromosome number.
2. The term mutation was coined by Hugo de Vries (1901).

Example: Colourblindness, albinism, sickle cell anaemia, and cystic fibrosis are some genetic disorders caused by mutation.