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Genetics Vocabulary

Mrs. Lee

Dominant stronger of the two genes, represented by a capital letter.
Recessive gene that shows up less often, represented by a lowercase letter.
Genotype actual gene combination for a trait. (e.g. RR, Rr, rr) (can't tell by looking at something)
Phenotype what you can see when you look at something. (e.g. red, white) (like a photo)
Heterozygous different genes. (dominant+recessive)
Homozygous genes are the same. (dominant+dominant or recessive+recessive)
Heredity the passing of traits from parents to offspring.
Dominant Trait a genetic factor that blocks another genetic factor.
Recessive Trait a genetic factor that is blocked by the presence of a dominant factor.
Gene a section of DNA on a chromosome that has genetic information for one trait.
Allele a different form of a gene.
Probability the likelihood that a possible future event will occur in any given instance of the future.
Purebread genes are the same for each trait.
Hybrid genes are different for that trait.
Created by: kisparks318