Simon has curly hair.If he is homozygous for the gene that determines curly hair,what is true of his parents?
A)They must each have a recessive allele for straight hair.
B)They have together contributed four dominant alleles for this gene.
C)They have contributed the same type of allele for this gene.
D)One,but not both,of his parents,have contributed an allele for curly hair.

Question

Quizplus · Accepted Answer

If Simon is homozygous for the gene that determines curly hair, it means he has two identical alleles for curly hair. Therefore, each parent must have contributed the same type of allele for this gene, which is the dominant allele for curly hair.

Simon Has Curly Hair