Genetic Changes through Generations

Q.

What are the effects of mutations on proteins?

Q. The mutations which occur in gametes are known as mutations.

1. somatic
2. spontaneous
3. germline
4. induced

Q.

Which is an example of a beneficial mutation?

Q. Read the following assertion and reason statements and choose the correct option.

Assertion: Evolution in Escherichia coli can occur in few days
Reason: The rate of evolution depends on the life-span of an organism

1. Only the assertion is true
2. Both assertion and reason are true and the reason is the correct explanation of the assertion
3. Both assertion and reason are true but reason is not the correct explanation of the assertion
4. Both assertion and reason are false

Q.

Name two human traits that show variations.

Q. Which of the following is the closest relative of man?

1. Chimpanzee
2. Gorilla
3. Orangutan
4. Gibbon