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AP Biology Mendel Genetics Flashcards

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5703033349CharacterA heritable feature that varies among individuals0
5703033350TraitEach variant for a character1
5703033351True-breedingOver many generations, it had produced only the same variety as the parent2
5703033353AlleleAlternative versions of a gene3
5703033354Dominant AlleleDetermine the organisms appearance-Capital letter4
5703033355Recessive alleleNo noticeable effect of the organisms appearance-aa5
5703033356Law of SegregationStates that the two alleles for a heritable character separate from each other during gamete formation and end up in different gametes6
5703033357HomozygousPair of identical alleles for a character7
5703033358HeterozygousTwo different alleles for a gene8
5703033359PhenotypeAn organisms appearance or observable traits9
5703033360GenotypeAn organisms genetic makeup10
5703033361TestcrossBreeding an organism of unknown genotype with a recessive homozygote11
5703033363Monohybrid CrossCross of two heterozygotes(Rr)12
5703033364DihybridIndividuals heterozygous for the two characters being followed in the cross(YyRr)13
5703033365Law of Independent AssortmentStates that each pair of alleles segregates independently of each other pair of alleles during gamete formation14
5703033368Complete dominanceThe offspring always looked like one of the two parental variety because one allele in the pair showed __________15
5703033369Incomplete dominanceThree or more potential varieties from crossing tow parents16
5703033370Co-dominanceTwo alleles each affect the phenotype in separate, distinguishable ways17
5703033372Epistasisthe phenotypic expression of a gene a one locus alters that of a gene at a second locus18
5703033373Polygenic InheritanceAn additive effect of two or more genes on a single phenotypic character19
5703033374CarrierHeterozygous person can transmit the recessive allele to their offspring without themselves having the trait20

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