Formed from both inherited alleles. Genotype: Formed from both inherited alleles.

An organism’s appearance. Phenotype: An organism’s appearance.

A plant with either two dominant or two recessive genes. Ex. FF or ff Homozygous: A plant with either two dominant or two recessive genes. Ex. FF or ff

A plant with one dominant and one recessive gene. Ex. Ff Heterozygous: A plant with one dominant and one recessive gene. Ex. Ff

Used to organize possible offspring. Punnett Square: Used to organize possible offspring.

The mathematical chance that something will happen. Probability: The mathematical chance that something will happen.

The stronger form of a gene. Always a capital letter. Ex. F Dominant: The stronger form of a gene. Always a capital letter. Ex. F

A weaker form of a gene that can be hidden or masked. Ex. f Recessive: A weaker form of a gene that can be hidden or masked. Ex. f

Another word for heterozygous. Hybrid: Another word for heterozygous.

Another word for homozygous. Purebred: Another word for homozygous.

The passing of traits from one generation to the next. Heredity: The passing of traits from one generation to the next.

One of the forms of a gene that controls a trait like hair color. Allele: One of the forms of a gene that controls a trait like hair color.

A segment of DNA that codes for the instructions for a trait. Gene: A segment of DNA that codes for the instructions for a trait.

The different forms of features such as blue eyes of brown eyes. Trait: The different forms of features such as blue eyes of brown eyes.

Characteristic: A feature that has different forms in a population such as eye color or hair color.