Which one of the following statements is correct? |
i. The genetic constitution of an individual organism is called its phenotype. |
ii. Mutation and genetic recombination are sources of variations. |
iii. Darwin's theory of natural selection proposed that new species arise by the slow accumulation of advantageous variations over a period of time. |
iv. Speciation takes place when geographically isolated populations have variations. |
v. Life originated on the Earth about 7 billion years ago. |
A) i and ii
B) ii, iii and iv
C) i, iv and v
D) ii, iii and v
E) None of these
Correct Answer: B
You need to login to perform this action.
You will be redirected in
3 sec