In humans, why are females much less likely to inherit color blindness?

Question

Group of answer choices

1. Males and females inherit traits from their grandparents differently.

2. Females are color blind if they carry the gene, no matter where it is located.

3. Males only use half of their genetic material to express their phenotype.

4. Females must have both alleles recessive to be color blind.

Answer 1

4. Females must have both alleles recessive to be color blind.