Chromosome

Coiled strand of DNA, humans have 46

DNA

the "blueprint of the organism", contains instructions for all cells

Traits

A characteristic about an individual, example is eye color

Genotype

The letter combination of the two alleles

Phenotype

The physical description of a gene, what it looks like.

Allele

An alternate form of a gene

Homozygous

Two of the same alleles

Heterozygous

A mixed set of alleles

Dominant

The stronger allele, represented with an upper case letter

Recessive

The weaker allele, disappears when the dominant allele is present.

Gene

Section of DNA that codes for a trait

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