Carbon monoxide blocks the transport of carbon dioxide by hemoglobin in the blood.

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Which experiment would most likely contain experimental bias ?

If the frequency of the p allele is .63 in the population then what is the frequency of the q allele?