| ⇦ | 
| ⇨ |
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: - Which one of the following structures is an organelle within an organelle?
- Which of the following does not occur in the interphase of eukaryotic cell
- Which of the following is a pair of biofertilizer?
- The cross in plants or in Drosophila involves crossing
- Ink gland occurs in
Topics: Evolution
(132)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following structures is an organelle within an organelle?
- Which of the following does not occur in the interphase of eukaryotic cell
- Which of the following is a pair of biofertilizer?
- The cross in plants or in Drosophila involves crossing
- Ink gland occurs in
Topics: Evolution (132)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply