Question

In humans, which process increases genetic diversity the most?

	A.	mutations
	B.	recombination
	C.	gamete fusion
	D.	independent assortment
	E.	linkage

Answer 1

Ans.

• The phenomenon, which measure the variation in an individuals within a population, is known as genetic variation.
• Genetic variation is an essential element in evolution, as it helps natural selection in regulating existing alleles frequency in the population.
• Genetic variation can often lead to genetic diversity i.e., genetic variation of an entire species.
• Genetic diversity is defined as the number of all the genetic characteristics responsible for genetic makeup of a species.
• It represents the level of biodiversity in an ecosystem.
• In the survival of an organism, genetic diversity plays an important role, as it helps a popilation to adapt to the changing environmental conditions.
• Thus, genetic diversity is an important factor for the natural selection to take place.
• Many factors can lead to genetic diversity such as, gene mutation, chromosome mutation or any other factors associated with meiosis and fertilization.
• Gene mutation is a factor that can cause frequent genetic variation, thereby significantly increasing the genetic diversity.