All terms in this list:

Sexual reproduction: A type of reproduction that requires a partner

gene: A unit of heredity; a segment of DNA or RNA that is transmitted from one generation to the next, and that carries genetic information such as the sequence of amino acids for a protein.

heredity: Hereditary transmission of the physical and genetic qualities of parents to their offspring; the biological law by which living beings tend to repeat their characteristics in their descendants.

allele: One of a number of alternative forms of the same gene occupying a given position on a chromosome.

phenotype: the observable characteristics or the traits of an organism

genotype: The combination of alleles, situated on corresponding chromosomes, that determines a specific trait of an individual, such as "Aa" or "aa".

dominate: a term that describes the allele that determines the phenotype

recessive: a term that describes an allele that is not expressed

homozygous: having 2 like genes for a trait

heterozygous: having 2 different genes for a trait

punnet square: a chart used to show all the way genes

pedigree: a chart that shows family relationship

mutation: a sudden change in genetic material