PleSEe Help - ill mark you brainiest !!!

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

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?

In the practice of science, this type of reasoning is used to develop explanations.