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Read the given statements and select the...

Read the given statements and select the correct option
Statement 1 : Genetic drift provides diversity without adaptation.
Statement 2 : Genetic drift is a gradual and slow process.

A

Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.

B

Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.

C

Statement 1 is true but statement 2 is false.

D

Both statements 1 and 2 are false.

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the statements about genetic drift, we will analyze each statement one by one. ### Step 1: Analyze Statement 1 **Statement 1:** Genetic drift provides diversity without adaptation. - **Explanation:** Genetic drift is a mechanism of evolution that occurs due to random changes in allele frequencies within a population. Unlike natural selection, which involves adaptation to the environment, genetic drift does not necessarily lead to adaptive traits. Instead, it can result in changes in genetic diversity that are not related to the fitness of the organisms. Therefore, this statement is **correct**. ### Step 2: Analyze Statement 2 **Statement 2:** Genetic drift is a gradual and slow process. - **Explanation:** Genetic drift occurs randomly and can lead to significant changes in a population's genetic makeup over relatively short periods, especially in small populations. It is not characterized by a gradual and slow process like natural selection. Instead, it can happen suddenly due to random events (e.g., natural disasters). Thus, this statement is **incorrect**. ### Conclusion Based on the analysis: - Statement 1 is **true**. - Statement 2 is **false**. ### Final Answer The correct option is that **Statement 1 is true and Statement 2 is false**. ---
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