How many chromosomes do human beings typically have?
a. 20 pairs for a total of 40 chromosomes
b. 21 pairs for a total of 42 chromosomes
c. 22 pairs for a total of 44 chromosomes
d. 23 pairs for a total of 46 chromosomes
Question 2
Which of the following is the best example of a genotype?
a. Nicole has green eyes.
b. Justin is taller than his parents.
c. Lauren has the same hair color as her fraternal twin sister.
d. Anthony has two copies of the APOE2 allele.