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Chapter 8.sec.'s 3&4

biology-principles and explorations

Worddefinition
Punnett Square diagram used by biologists to predict the probable outcome of a genetic cross
test cross a genetic cross of an individual whose phenotype is dominant but whose genotype is unknown, with a homozygous recessive individual
probability the likelihood that a specific event will occur
pedigree family history that shows how a trait is inherited over several generations
sex-linked traits traits that are determined by a gene found on the X chromosome
polygenic trait characteristic of an organism that is influenced by several genes
incomplete dominance condition in which a trait in an individual is intermediate between the phenotype of its two parents
codominance condition in which both alleles are expressed when present
multiple alleles the existance of more than two alleles for a genetic trait
Created by: LovelyLiz
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