Question

WILL FAN AND MEDAL!!
In humans, having freckles (F) is dominant to not having freckles (f). Match the genotype with the appropriate phenotype.

Question 1 options:

heterozygous


no freckles


homozygous with freckles

1.
FF

2.
Ff

3.
ff

Answer 1

Homozygous means the two alleles are identical, such as CC or cc.
Heterozygous have two different alleles, such as Cc
If C is a dominant allele, the only way to get a recessive phenotype is having cc as the gene. Any other combination of alleles (CC or Cc) will show the dominant phenotype.