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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 term given by cytoplasm and nucleoplasm were
- Which of the following is a pair of motor nerves?
- Which one of the following help in absorption of phosphorus from soil by plants?
- Water enters from soil into the root hairs due to
- Which of the following criteria does not pertain to fecilitated transport?
Topics: Evolution
(132)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The term given by cytoplasm and nucleoplasm were
- Which of the following is a pair of motor nerves?
- Which one of the following help in absorption of phosphorus from soil by plants?
- Water enters from soil into the root hairs due to
- Which of the following criteria does not pertain to fecilitated transport?
Topics: Evolution (132)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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