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Chapter 9-2.

vocabulary

TermDefinition
genotype an organisms genetic makeup
phenotype an organisms appearence
homozygous when both alleles of a pair are alike
heterozygous when the two pairs of the alleles are different
probability the likelihood that a specific event will occur
monohybrid cross a cross in which only one characterstic is tracked
Punnett square diagram that aids in predicting the probable distribution of inherited traits in the offspring
genotype ratio the ratio of the genotypes that appear in offspring
phenotypic ratio the ratio of the offsprings phenotypes
testcross an individual of unknown genotype is crossed with a homozygous recessive individual
complete dominance when one allele is completly dominant over another
incomplete dominance when the offspring has a phenotype in between that of the parents
codominance occurs when both alleles for a gene are expressed in a heterozygous offspring
dihybrid cross a cross in which two characterstics are tracked
Created by: mccuddenm16
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