input: OPTIONS:
- exogenous
- epigenesis
- spontaneous mutation
- epistasis Now, answer this question: Q: What is it called when a gene at one location (locus) alters the phenotypic expression of a gene at another locus? A:
A:
output: epistasis

input: OPTIONS:
- pair bond
- neutron
- nucleus
- atom Now, answer this question: Q: A polyatomic ion is an ion composed of more than one what? A:
A:
output: atom

input: OPTIONS:
- hormones
- acids
- hydrocarbons
- proteins Now, answer this question: Q: Acetyl-coa is formed from the breakdown of carbohydrates, lipids, and what else? A:
A:
output:
proteins