Q. Two nucleotide sequences found in two different species are exactly the same. This suggests that these species
A) Are evolving into the same species
B) Contains identical DNA
C) May have similar evolutionary histories
D) Have the same number of mutations
Explanation
Comparative biochemistry shows that the more similar the DNA of two species is, the more closely related they are, and the more recently they get evolved separately
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.