Which statement is true? a hypothesis becomes a law if several experiments support it. a hypothesis is true if one experiment supports it. a hypothesis might be true even if several experiments do not support it. a hypothesis is untrue if even one experiment does not support it.

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. a parakeet that is heterozygous for blue feathers (dominant) is crossed with a parakeet that is homozygous for white feathers (recessive). according to the punnett square for this cross, what percentage of offspring is predicted to have blue feathers? 25 percent 50 percent 75 percent 100 percent