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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: - Ruminate endosperm is found in
- Number of thylakoids in a granum is
- About 70% of total global carbon is found in
- Which of the following prevents food from going to trachea?
- RAAS is associated to which of the following hormone?
Topics: Evolution
(132)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Ruminate endosperm is found in
- Number of thylakoids in a granum is
- About 70% of total global carbon is found in
- Which of the following prevents food from going to trachea?
- RAAS is associated to which of the following hormone?
Topics: Evolution (132)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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