Answer:
Genes & DNA
Explanation:
Heritable traits are known to be passed from one generation to the next via DNA, a molecule that encodes genetic information.Organisms inherit genetic material from their parents in the form of homologous chromosomes, containing a unique combination of DNA sequences that code for genes.
By mating with desired traits is your answer
Hello!
The answer you were looking for is....
(D) Nonpoint source pollution is difficult to regulate, because its source is difficult to track.
