Why do you think when we see a recessive trait, phenotype, like a straight hair line, that we can figure out the genotype? Why can we not for sure determine the genotype of a dominant trait?

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.