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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.
Related Questions: - Three of the following statements regarding cell organelles are correct while
- The important muscle proteins that help in movement are
- Animals and plants are best protected in
- Which one of the following pairs of animals are similar to each other pertaining
- The largest quantity of air that can be expired, after maximal inspiration effort
Topics: Evolution
(132)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Three of the following statements regarding cell organelles are correct while
- The important muscle proteins that help in movement are
- Animals and plants are best protected in
- Which one of the following pairs of animals are similar to each other pertaining
- The largest quantity of air that can be expired, after maximal inspiration effort
Topics: Evolution (132)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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