Assertion: Agrobacterium tumifaciens is popular in genetic engineering because this bacteriusim associated with the root nodules of all cereals and pulse crops.
reason: a gene incorporated in the bacterial chromosomal genome gets automatically transferred to the cross with which bacterium is associated.

Options

A. Both assertion and reason are true. But reason is correct explanation of assertion.
B. Assertion is true, but reason is false.
C. Assertion is false, but reason is ture.
D. Both assertion and reason are false.