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Stack #15388

7th grade genetics #15388

heredity the passing of traits from parents to offspring
gene a factor that controls a trait
trait a characteristic that an organism passes on to its offspring. (color of hair, eye color)
mutation a change of chromosome
hybrid two different alleles for a trait (Aa, Tt, Bb)
Punnett square a chart that shows possible gene combinations
dominant a trait that shows up on an organism
recessive an allele that is covered up when a dominant allele is present. (Aa, Dd, Bb) recessive alleles-lower case letters
probability the likelihood that an event will occur
purebred 2 of the same alleles for a trait (TT, BB, AA)
Created by: sbadger