Answer :
Male butterflies in the population that endured possessed a gene that rendered them immune to the parasite, and they passed this trait on to their progeny.
- The increase in the number of people or species within a population is known as population growth. A population is the total number of living things that are present in a given environment.
- The situation indicates a large rise in the proportion of men in the population. Because the male butterflies in the population who lived earlier possessed a gene that made them resistant to the parasite, they carried the gene to their progeny, which led to the increase in the number or population expansion of males.
- One theory for why there are more male butterflies in the population is that the male butterflies that survived had a gene that made them resistant to the parasite, and they passed the gene on to their progeny.
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