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A species of fish has been discovered with the allele for small eyes that is recessive...

A species of fish has been discovered with the allele for small eyes that is recessive to large eyes. Based on this information, can you tell the genotype of a fish with small eyes just by looking at it? Why or why not?

Yes, because the locus for the recessive allele is always the same.
No, because you do not know the DNA sequence.
Yes, because in order for the recessive phenotype to appear, there must not be any dominant alleles present.
No, because there is not enough information to conclude the genotype.
No, because it could be either homozygous recessive or heterozygous.
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Answer #1

Option c is correct. Yes, because in order for the recessive phenotype to appear, there must not be any dominant alleles present.

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