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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: - The vital morphological and physiological units of a mammalian kidney are
- Human ears perform sensory functionsThese
- The Most extensively used bacteria in genetic engineering is
- Maximum photosynthesis activity takes place in
- Foramen of Monro is an aperture between
Topics: Evolution
(132)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The vital morphological and physiological units of a mammalian kidney are
- Human ears perform sensory functionsThese
- The Most extensively used bacteria in genetic engineering is
- Maximum photosynthesis activity takes place in
- Foramen of Monro is an aperture between
Topics: Evolution (132)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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