Biology
Grade-9
Easy
Question
Match the following:
- a-1, b-2, c-3
- a-3, b-1, c-2
- a-2, b-3, c-1
- a-3, b-2, c-1
Hint:
The given graphs match the selection methods as a-3, b-1, and c-2.
The correct answer is: a-3, b-1, c-2
- When the population stabilizes on a given trait value and genetic diversity falls, stabilizing selection takes place.
- When one phenotype is preferred, a process known as directional selection takes place, which results in a persistent shift in allele frequency in one direction.
- When extreme values of a trait are preferred over intermediate values, disruptive selection takes place. Often, speciation is driven by this kind of selection.
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