4. if one individual is tt and another individual is tt, which of the following is true?
the two have different genotypes and the same phenotype.
the two have the same genotype and the same phenotype.
the two have different genotypes and different phenotypes
the two have the same genotype and different phenotypes.

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

Recently, crops of vegetables such as lettuce and green onions have been contaminated, while they are still on the farm, with bacteria that cause food poisoning. how will science influence the way the government responds to prevent an increase in food-borne diseases? because science has shown that lettuce and green onions are not nutritionally valuable, the government may pass laws that ban the sale of lettuce and green onions. because science has shown that there is no way to prevent bacterial contamination, the government may pass laws that punish businesses that buy lettuce and green onions. because science has shown that the washing of hands prevent the spread of infectious diseases among people, the government may pass laws that require hand washing by everyone who handles food. because science has shown there are ways to find the source of the contamination, the government may pass laws that require farm practices that reduce the contamination of lettuce and green onions.