Question

a) Define Mutation. Explain a disease caused due to mutation.

b) State Mendel’s law of purity of gametes.

c) Make a Punnet square and find out the genotypic and phenotypic ratio in the

progeny of a genetic cross between

i) Color blind carrier woman marries color blind male.

ii) Heterozygous black fur with white fur . ( Black is dominant)

d) Mention any 3 significance of Mitosis.​

Answer 1

Answer:

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.