How did chargaff and franklin watson and crick discover the structure of dna?

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4

Which of the follow describes a disadvantage secondary sources have compared to primary sources?