SSC MTS EXAM

SSC

BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which process produces the most variation within a species?
A
asexual reproduction
B
sexual reproduction
C
mitosis
D
cloning
Explanation: 

Detailed explanation-1: -Asexual mode of reproduction leads to more variation in the offspring as compared to sexual mode of reproduction. Q. Offsprings formed during sexual reproduction exhibits more variation than those formed by asexual method, because, Q.

Detailed explanation-2: -Sexual reproduction results in infinite possibilities of genetic variation. In other words, sexual reproduction results in offspring that are genetically unique. They differ from both parents and also from each other.

Detailed explanation-3: -Sexual reproduction gives rise to more viable variation than asexual reproduction. It is because there is an inbuilt tendency to variation during reproduction, both because of errors in DNA copying, and modes of sexual reproduction.

Detailed explanation-4: -In sexual reproduction, chromosomes can sometimes swap sections during the process of meiosis (cell division), thereby creating new genetic combinations and thus more genetic variation.

There is 1 question to complete.