How Genes Shape Who You Become

Inherited Map: You receive about 20,000 genes that guide your body’s blueprint.
Trait Threads: Genes influence height, features, personality leanings, and more.
Switch System: Some genes turn on only during certain life stages—like puberty.
Twin Test: Even identical twins show slight differences due to environment.
Variation Magic: Tiny DNA changes create the uniqueness of every person.
Health Hints: Some genes boost disease resistance; others increase risk.
Learning Link: Genes influence cognitive potential, but environment shapes outcome.
Growth Code: Growth rate and timing often run in families.
Reaction Range: Genes set possibilities, but lifestyle decides how far you go.
Expression Shift: Environment can turn genes “on” or “off” throughout life.