The Living World Question 248
Question: The chance of elimination of genes from a small population is an example of [CPMT 2004]
Options:
A) Selection pressure
B) Speciation
C) Adaptation
D) Genetic drift
Show Answer
Answer:
Correct Answer: D
Solution:
Genetic drift or Sewall Wright effect is an important mechanism in evolutionary change in small populations.
In a small population not all the alleles which are representative of that species may be present.
Therefore, chance events may result in the elimination of that allele from population.
BETA
