The bonds that hold the tro stands of DNA together come from? A. the attraction of phosphate groups for each other

B. strong bonds between cogenous bases and deoxyribose.

C. wesk hydrogen bonds between the nitrogenous bases

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring