What evidence do you have that living organisms require both living (biotic) and nonliving (abiotic) things?

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?

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

Nucleic acids offer variability because they contain alternate forms of genes called .