Which of the following is the main idea of paragraph 2?
A. Offspring have a combination of traits from their parents
B. Parents have different traits that are passed on to their offspring
C. Genes control the traits particular humans possess
D. Red hair is a trait that is inherited from one’s parents
Paragraph 2:
Genes control everything about us: our hair color, skin color, sex, height, etc. Imagine looking at a picture of two parents and their children. You might see that the mother has certain traits. The father has other traits. Their children usually have a mixture of those traits.