Navigate

Random unidirectional change in allele frequencies that occurs by chance

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

Options

(a) Mutation
(b) Migration
(c) Natural selection
(d) Genetic drift

Correct Answer:

Genetic drift

Explanation:

Genetic drift is random change in allele number and frequency in a gene pool due to chance (eg., small size of population). It is caused by sampling error or error in gene pool sample that is to form the next generation. The sampling gene pool is generally small in size. Variability is also limited.

NEET2013K
admin:

Related Questions

  1. Which one of the following structure between two adjacent cells
  2. In most of the fungi, the food material is stored in the form of
  3. Aerobic respiration produces more usable chemical energy than fermentation
  4. Artificial system of classification was first used by
  5. Which of the following statements is correct regarding Sexually Transmitted Diseases