Question

In humans, the presence of black eye pigment suppresses the presence of brown eye pigment. What can you conclude from this statement?

A. The allele for black eye pigment is dominant to the allele for brown eye pigment, and both alleles are variations of the same gene.
B.The allele for brown eye pigment is dominant to the allele for black eye pigment, and both alleles are variations of the same gene.
C. The allele for brown eye pigment is dominant to the allele for black eye pigment, and the alleles are variations of two different genes.

Answer 1

The correct answer here is A. You can conclude that the black eye pigment is a dominant trait, and that the allele is dominant, and the brown eye pigment is a recessive trait, or has the recessive allele. In human beings the characteristics that we inherit or display are all determined by the alleles of our parents and whether or not they are dominant or recessive.