9
QuizMultiple Choice
Chromosomes
Question 9 • Biology A
Anita thinks that she has heterozygous alleles for red hair. If she is correct, which of these diagrams best illustrates Anita’s alleles for red hair?
Answer
A
2 chromosomes are labeled Upper R and Upper R.
B
2 chromosomes are labeled Upper R and r.
C
One chromosome is labeled Upper R and another is unlabeled.
D
2 chromosomes are labeled r and r.