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Assertion : Human ancestors never used their tails and so the tail expressing gene has disappeared in them.
Reason : Lamarck's theory of evolution is popularly called theory of continuity of germ plasm.
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
If the Assertion is correct but Reason is incorrect.
If both the Assertion and Reason are incorrect.
Solution
According to Lamarck’s theory, continuous disuse of organs makes them weak. The theory of continuity of germplasm was given by Weismann.
If humans share ancestry with other primates such as prosimian, monkeys etc, then remnants of that common ancestory should be present in our genes.
