Random unidirectional change in allele frequencies that occurs by chance in all populations and especially in small populations is known as

  • [NEET 2013]
  • A

    migration

  • B

    natural selection

  • C

    genetic drift

  • D

    mutation.

Similar Questions

Natural selection in which more individuals acquire peripheral character value at both the ends of the distribution curve is

Definitions / Explanation : Genetic drift & Gene migration (gene flow)

 

Evolution that shift the allele frequency in a study consistent direction is called?

In a species, the weight of newborn ranges from $2$ to $5\; \mathrm{kg} .97 \%$ of the newbom with an average weight between $3$ to $3.3\; \mathrm{kg}$ survive whereas $99 \%$ of the infants born with weights from $2$ to $2.5\; \mathrm{kg}$ or $4.5$ to $5 \;kg$ die. Which type of selection process is taking place?

  • [NEET 2019]

 Definitions / Explanation: Gene Pool