TRAIT

DOMINANT TRAIT

• genetic trait passed from parent to child that is more likely to be expressed

CHROMOSOME

• a tightly wound bundle of DNA and proteins found in the nucleus of most living cells

HERIDITY

GENE

• the basic unit of heredity in a living organism; a segment of DNA or RNA

RECESSIVE TRAIT

• a genetic trait that lacks the ability to manifest itself when a dominant gene is present

ALLALE

• one member of a pair or series of genes on specific chromosomes in specific positions

PUNNET SQUARE

• a chart used to determine the possible genetic outcomes for offspring of a given cross

PHENOTYPE

• the observable traits of an organism passed on from parent to offspring

GENOTYPE

HETEROZYGOUS

• Having different genes for any pair of heredity

HOMOZYGOUS

• Having same pairs of genes for any heredity traits or characteristics

DNA

• Found in the nucleus of a cell