Aliver cell requires energy to move vitamins from an area of low concentration, across the cell membrane, to an area of high concentration. the process used by the liver cell is called

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?