Heredity
The study of the passing on of traits from parents to kids. Learn how and why physical and
behavioral characteristics are passed on to from parents to offspring.
Trait
A person’s behavioral and physical characteristics. Example: brown hair, blue eyes, etc. Can also be behavioral such as
personality.
Gene
A specific trait. Example: hair color is a trait whereas a
gene is the specific color such as brown. Trait = Hair Color / Gene = Brown, Blonde,
Red Trait = Height / Gene = Tall or Short Trait = Personality / Gene = Outgoing,
Quiet
Phenotype
A person’s physical characteristics. Example: Tall or short, Blonde or
brunette, etc.
Gg =
Hybrid
The two alleles for a trait are different. The genetic code that is passed on by each parent is different. Example: Aa
Chromosome
A threadlike strand that contains DNA and is found in the nucleus 0f each cell. Humans have 23 unique chromosomes. Example: