Q. Why the genetic variation is important from an evolutionary standpoint/
A) If all organisms were the same, the entire population would be vulnerable to particular pathogens, like viruses
B) All evolutionary adaptations ($e.g.,$ the origin of forelimbs) are the result of the gradual build up of genetic difference between organisms over geological time
C) Evolution (at the population level) refers to changes in the frequencies of genes in the population overtime
D) All of the above
Explanation
Any condition which brings changes in the genetic frequency are important from an evolutionary point of view
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.