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Passing of traits from one generation to the next Heredity
Father of genetics-used pea plants to study passing of traits Gregor Mendel
Making of sex cells Meiosis
Number of chromosomes in a sex cell 23
Contains genes Chromosomes
Contains DNA Gene
Two forms of every gene Allele
Form of the gene that is always expressed Dominant
Form of the gene that is expressed only when both alleles are recessive Recessive
Organisms physical appearance Phenotype
Inherited combination of genes Genotype
Two different forms of an allele (hybrid) Heterozygous
Two of the same alleles (pure) Homozygous
Probability Ratio
Used to visualize all of the possible combinations of alleles from the parents Punnett Square
A family tree of traits Pedigree
Created by: mmccoy