Principle Of Inheritance And Variation Question 551
Assertion : Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with the roots of many cereal and pulse crops. [AIIMS 2005] Reason : A gene incorporated in the bacterial chromosomal genome gets automatically transferred to the crop with which the bacterium is associated.
Options:
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
Show Answer
Answer:
Correct Answer: D
Solution:
Agrobacterium tumefaciens is a rod shaped free living bacteria it causes infection only in broad leave dicot plant through the wound site and transfer the tumor inducing gene to host plant and cause tumor.
This spontaneous transfer of gene occurs only by the agrobacterium.