In guinea pigs, short hair is dominant to long hair. a guinea pig that homozygous dominant for hair is crossed with a female who has long hair. complete a punnett square and determine the genotypic and phenotypic ratios

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

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

Several billion years ago which gas was the least prevailant in the atmosphere