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inherited variation
differences that are caused by the genes inherited from parents
environmental variation
differences that are caused by lifestyle and environment
homozygous
two of the same genes, two dominant or two recessive
heterozygous
two different genes, one dominant one recessive
dominant gene
gene that hides a recessive gene
recessive gene
gene that is hidden by a dominant gene
genotype
letter pairs that represent the genes an organism carries
phenotype
physical trait an organism displays based on its genotype
punnett square
prediction of the possible genotypes of offspring based on the genotypes of parents
dominant symbol
upper case letter
recessive symbol
lowercase letter
pedigree
diagram showing traits passed from generation to generation
incomplete dominance
one allele is not completely dominant over another allele presenting as a blend of traits
complete dominance
one allele is completely dominant over another
allele
the different options for a trait
Note 
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