• the study of heredity
• the passing on of traits from an organism to its offspring

• when pollen lands on top of the pistil of a flower
• pollination produces seeds for the next generation

fertilization

P-generation

• the first generation
• the Parent generation

• the offspring of the P-generation
• First Filial

the offspring of the F1-generation

• the expressed trait
• the trait that is known or visible

• the unexpressed trait
• the trait that seems to disappear

• when genes are neither dominant or recessive
• neither gene in a gene pair masks the other
• the traits carried by the two genes appear to be blended
• alson known as co-dominance

• physical appearances
• visible characteristics
• the traits that we see

• the actual gene makeup of an organism

Example:  Bb

purebred

• an organism that has genes that are alike for a particular trait
  

Examples:  YY or yy

• an organism that has genes that are different for a specific trait

Example:  Yy

mitosis

a process in which sex cells are produced

• units of heredity
• segments of DNA on chromosomes