How Genetic Information Flows in One Direction
The central dogma of molecular biology: information flows from DNA to RNA to protein, and this flow is irreversible under normal circumstances.
Category
Biology & Health
Genes That Help Themselves by Helping Their Copies
Kin selection explains altruism in nature: organisms sacrifice for relatives because shared genes benefit when relatives survive.
The Code Above the Code
How experience, environment, and behavior alter which genes get expressed — without changing the DNA sequence itself.