A: Similarities in proteins and genes performing a given function among diverse organisms give clue to coomon ancestry.
R: All the group of vertebrates arises from the common ancestor with great adaptation capability.
A. If both Assertion `&` Reason are true and the reason is the correct explanation of the assertion. Then mark (1)
B. If both Assertion `&` Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
C. If Assertion is true statement but Reason is false, then mark (3)
D. If both Assertion and Reason are falses statements, then mark (4)