AIDS is such a devastating disease because cells are destroyed, leaving the system vulnerable and the body susceptible to foreign, pathogenic invaders.

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

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

What is gene expression control that occurs after the generation of rna