Directions : In the following questions a statement of assertion (A) ...
Transgenic animals originate from recombinant DNA.
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Directions : In the following questions a statement of assertion (A) ...
Assertion (A): Transgenic animals had their DNA manipulated.
Reason (R): 95% of all existing transgenic animals are mice.
Explanation:
The assertion states that transgenic animals had their DNA manipulated. This means that genetic material from one species is artificially introduced into the genome of another species. Transgenic animals are created for various purposes such as scientific research, medical advancements, and agricultural improvements.
The reason given is that 95% of all existing transgenic animals are mice. This means that mice are the most commonly used species for creating transgenic animals. Mice have been extensively used in genetic research due to their short breeding cycle, small size, and genetic similarity to humans.
Now let's analyze the relationship between the assertion and the reason:
- The reason supports the assertion as it provides evidence that genetic manipulation has indeed been performed on animals, specifically mice.
- However, the reason alone does not fully explain why transgenic animals have their DNA manipulated. It only provides a statistic about the prevalence of transgenic mice.
Considering these points, we can conclude that both the assertion and the reason are true, but the reason does not provide a complete explanation for the assertion. Thus, the correct choice is option 'B' - Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).
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