Question

Carrie's parents have brown hair. however, carrie gets genes for blond hair from both of her parents, and as a result she has blonde hair. this indicates that the gene for blonde hair is a:

Answer 1

She received the recessive allele.

Answer 2

Answer:

Recessive allele

Explanation:

• The alternative forms of that are present for a given gene are known as alleles.
• Two types of alleles exist for any given gene - these are dominant allele and recessive allele.
• A dominant allele is the one which always expresses itself in the presence of another allele, that is it can express itself in both heterozygous and homozygous situation.
• A recessive allele is only able to express itself in a homozygous condition.
• Since the blond hair is not expressing itself in either the mother or father but only in the daughter, it must be a recessive allele.