By performing the replica plating experiment, Lederberg supported the

Which of the following was not in the direction of evolution of human species

Assertion : The earliest organisms that appeared on the earth were non-green and presumably anaerobes.

Reason :The first autotrophic organisms were the chemoautotrophs that never released oxygen.

Common origin of man and chimpanzee is best shown by

Assertion : Among the primates, chimpanzee is the closest relative of the present day humans.

Reason : The banding pattern in the autosome numbers $3$ and $6$ of man and chimpanzee is remarkably similar.