NEET BIOLOGY

GENETICS AND EVOLUTION

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the most likely result if two populations of the same species are separated for a long period of time?
A
Neither population will change.
B
Both populations will change in the same ways.
C
The populations will change in different ways.
D
Both populations will become extinct.
Explanation: 

Detailed explanation-1: -So, the correct answer is ‘The two populations will experience allopatric speciation’

Detailed explanation-2: -Speciation occurs when a group within a species separates from other members of its species and develops its own unique characteristics. The demands of a different environment or the characteristics of the members of the new group will differentiate the new species from their ancestors.

Detailed explanation-3: -The central idea here is that when populations are geographically separated, they will diverge from one another, both in the way they look and genetically. These changes might occur by natural selection or by random chance (i.e., genetic drift), and in both cases result in reproductive isolation.

Detailed explanation-4: -Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation.

Detailed explanation-5: -Two populations of the same species over time grow distant from one another. At what point will these two populations be considered different species? Explanation: Speciation is the event that occurs when two populations of a particular species can no longer interbreed.

There is 1 question to complete.