Traits and the Environment

What are traits?

Features an organism inherits

What are genes?

Part of the DNA code on a chromosome

Define genotype

Genetic make up

Define phenotype

Physical features;Combination of

genetic make up and the environment’s

effect on that makeup

What you see

Define genetics

Study of heredity

What is an allele?

Different form of a

gene

Define dominant

allele

Show their effect in phenotype

when present in genotype

Recessive allele

Show their effect only when two are present in the genotype

What is a Punnett Square?

A chart to help make genetic predictions