Forthcoming generations are less adaptive than their parental generation due to
A
Natural selection
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B
Mutation
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C
Genetic drift
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D
Adaptation
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Solution
The correct option is C Mutation
Natural selection states that an organism with heritable traits that are in favor of survival and reproduction will have more offsprings than others, leading to an increased frequency of traits.
Genetic drift is a term used when an allele frequency is varied over a generation in a particular population. Adaptation is where a group of an organism develop a particular trait in order to survive in a changed environment.
A mutation can be any change that occurs in a DNA sequence. Many of such errors are corrected by themselves but some persist. It can be due to a copying mistake or can result from exposure to radiation or cigarette smoking.
Both good and bad traits can be developed from mutations. Beneficial mutations mostly arise in natural selection. Harmful effects of mutation can include cancer