| ⇦ | 
| ⇨ |
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: - Introduction of foreign genes for improving genotype is
- What happens during fertilisation un humans after many sperms reach close to the ovum?
- IAA and serotonin are derived formed from which of the following
- The douple helix model of Watson and Crick is known as
- Tissue present in an annual ring is
Topics: Evolution
(132)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Introduction of foreign genes for improving genotype is
- What happens during fertilisation un humans after many sperms reach close to the ovum?
- IAA and serotonin are derived formed from which of the following
- The douple helix model of Watson and Crick is known as
- Tissue present in an annual ring is
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