1. In epigenetics, the environment influences certain molecules that in turn influence gene
expression:
A) without changing the underlying DNA sequences that constitute the genes themselves.
B) by changing the underlying DNA sequences that constitute the genes themselves.
C) by decoupling chromosomal pairs.
D) by changing the underlying DNA sequences on only one chromosomal pair.
2. Where is the DNA that contains the entire genetic code for a particular individual?
A) only in egg and sperm cells
B) inside each gene
C) only in amino acids
D) in the nucleus of each cell
3. Winston told his boyfriend that he had big brown eyes. Winston was referring to his
boyfriend's:
A) phenotype.
B) genotype.
C) build.
D) linotype.
