Medical Geneticists Working on the Human Genome Project, Which Was

Medical geneticists working on the Human Genome Project, which was a major international initiative to decipher the 3 billion-unit code of DNA in the 80,000 to 100,000 genes found in humans, have already identified genes associated with many chronic diseases. Factors associated with chronic disease include:

A) dietary intake, genetics, and lifestyle.
B) dietary intake, teen pregnancy, and diabetes.
C) dietary intake, education, and genetics.
D) dietary intake, lifestyle, and socioeconomic factors.