Scientists studying a species of fish using quantitative trait locus analysis found that fishes with paternal alleles at a marker have larger body sizes than fishes with maternal alleles at the marker. This suggests that

Question

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The presence of a marker allele from the paternal side that correlates with larger body sizes suggests that the genetic loci influencing body size are likely close to the marker, indicating physical proximity rather than the marker itself directly affecting body size.

Scientists Studying a Species of Fish Using Quantitative Trait Locus