Suppose the mutation for the sickle cell disease gene first appeared in a region without malaria. The first carrier would have(1 point)

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been less likely to survive and reproduce than his peers.
been less likely to survive and reproduce than his peers.

had the same likelihood to survive and reproduce as his peers.
had the same likelihood to survive and reproduce as his peers.

been more likely to survive and reproduce than his peers.
been more likely to survive and reproduce than his peers.

died from sickle cell disease before reproducing.
died from sickle cell disease before reproducing.

Answer 1

If the mutation for the sickle cell disease gene first appeared in a region without malaria, the first carrier would have:

had the same likelihood to survive and reproduce as his peers.

This is because, in regions without malaria, the sickle cell trait does not confer the survival advantage it does in malaria-endemic areas. Without malaria, the carrier would not experience the benefit that typically enhances survival and reproduction, so their likelihood of surviving and reproducing would be similar to that of their peers.