173k views
1 vote
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:

User JayDeeEss
by
6.1k points

2 Answers

0 votes
She received the recessive allele.
User OtagoHarbour
by
6.8k points
5 votes

Answer:

Recessive allele

Step-by-step 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.
User Vova Popov
by
5.9k points