In a oil spill why does the oil not mix with the sea water

Dominant over the mutant vermilion (bright red) allele. a homozygous wild-type female fly is mated with a vermilion male fly. predict the eye colors of f1 and f2 generations. (assume that the f1 flies are allowed to interbreed to produce the f2 generation.)

Speed is the ratio of the distance of an object moves to

People with one sickle cell allele are not likely to get malaria. what is this an example of?