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Genes

TermDefinition
Genetics Scientific study of hereditary
Trait Characteristic that varies from one individual to another
Alleles Different possibilities for each trait (each trait as two or more’)
Segregation Two alleles for each trait separate when gamates form.
Independent assortment Genes for different traits are inherited independently
Dominant Masks the other trait, respresnted by capital
Recessive Will only happen if dominant allele is not present. Lower case letter
Genotype The genetic makeup of organism. Allele combo organism has.
Phenotype Physical characteristic of organism, way it looks
Homozygous Organism that has two identical alleles for trait
Heterozygous Organism that has two different alleles for the same trait
Punnett square Diagram shows gene combos from genetic crossing Used to calculate probability of trait
Incomplete dominance One alleles is not completely dominant
Codminanace Both alleles contribute to the phenotype of organism
Multiple alleles Three or more alleles in same gene
Examples of multiple alleles Coat color, blood type and hair color.
Polygenic trait Trait by two or more genes
Created by: glorianna