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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: - Rhizophora sp. is characteristic of
- Stroma in the chloroplasts of ohigher plant contains:
- A few normal seedling of tomato were kept in a dark room. After few days
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Topics: Evolution
(132)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Rhizophora sp. is characteristic of
- Stroma in the chloroplasts of ohigher plant contains:
- A few normal seedling of tomato were kept in a dark room. After few days
- In angiosperms,pericycle gives rise to
- Companion cells are closely associated with :
Topics: Evolution (132)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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