Question

biologists commonly represent genotypes using letters. consider a gene that codes for eye-color. two alleles for this gene exist in a population, b, which encodes brown eyes, and b, which encodes blue eyes. based on what you have learned about genetic notation, which allele is likely to be dominant to the other allele?

Answer 1

From the given problem it can be deciphered that the B allele encoding for brown eye color is dominant in the population.

At a specific genomic region, an allele is one of two or more variations of the DNA sequence (a single base or a segment of nucleotides). For each genomic region with such variation, an individual inherits two alleles, one from each parent. The person is homozygous for the allele if the two alleles are the same.

The dominant allele (denoted by capital alphabet)  are prevalent in the population as compared to recessive allele (denoted by small alphabet) that are rare.

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