LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Species A has 47 genes in common with Species B and 64 genes in common with Species C. Species D has 21 genes in common with Species B and 82 Species in common with species C. Which of these statements are correct
A
Species A and species C share a more recent common ancestor that species C and species D
B
Species B shares a more common ancestor with species D than than species D and species C.
C
Species D and species C share the most recent common ancestor among all species listed
D
Species C and species A share the most recent common ancestor among all species listed
Explanation: 

Detailed explanation-1: -All human beings are 99.9 percent identical in their genetic makeup. Differences in the remaining 0.1 percent hold important clues about the causes of diseases.

Detailed explanation-2: -The shared genes are called homologous genes, or genes which share a common ancestry either between or within species.

Detailed explanation-3: -The genome of E. coli, for example, consists of approximately 4.6 million base pairs and encodes about 4000 different proteins.

There is 1 question to complete.