2025 BP/AP Genetics Vocab
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16 Terms
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inherited variation
differences that are caused by the genes inherited from parents
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environmental variation
differences that are caused by lifestyle and environment
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homozygous
two of the same genes, two dominant or two recessive
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heterozygous
two different genes, one dominant one recessive
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dominant gene
gene that hides a recessive gene
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recessive gene
gene that is hidden by a dominant gene
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genotype
letter pairs that represent the genes an organism carries
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phenotype
physical trait an organism displays based on its genotype
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punnett square
prediction of the possible genotypes of offspring based on the genotypes of parents
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dominant symbol
upper case letter
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recessive symbol
lowercase letter
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pedigree
diagram showing traits passed from generation to generation
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incomplete dominance
one allele is not completely dominant over another allele presenting as a blend of traits
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complete dominance
one allele is completely dominant over another
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allele
the different options for a trait
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codominance
both alleles for a train are expressed equally in a heterozygous individual
