1
QuizMultiple Choice
Heredity and Heritability — Unit test
Question 1 • Anatomy & Physiology A
The diagram below shows a portion of DNA. The nucleobases adenine, thymine, cytosine, and guanine are matched together in base pairs, and the order of these base pairs makes a genetic code. Which describes the genetic code in a human?
Answer
A
Different genetic codes appear in each different type of cell.B
Every human has the same exact genetic code.C
Genetic codes change frequently in reaction to external factors.D
A genetic code determines the physical traits of the body.