Definition and Significance of Mutation

Q. Which of the following(s) is/are true about mutations?

1. Mutations can be inherited.
2. Mutations eventually lead to evolution.
3. Even a single nucleotide substitution can be termed mutation.
4. Mutations can never be acquired from the environment.

Q.

Mutation is any random genetic change that results in new and different traits. True or false?

1. True

2. False

Q. Mutations are considered directionless because

1. these can cause evolutionary change in a single generation
2. these can be useful, harmful or neutral
3. these occur in all organisms of a species
4. these occur at a specific time

Q. The sudden heritable genetic changes in an organism are called mutation.

1. False
2. True