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    Genetics Genetics Presentation Transcript

    • Vocabulary Review GENETICS
    • Study of how characteristics are transmitted from parent to offspring GENETICS
    • The father of genetics GREGOR MENDEL
    • Physical feature determined by the genotype PHENOTYPE
    • Plant used by Mendel for his hereditary studies GARDEN PEAS
    • Transmission of characteristics from parent to offspring HEREDITY
    • A genetically determined characteristic TRAIT
    • Stronger of two alleles that shows up most often DOMINANT
    • Transferring pollen grains from anthers to the stigma of flowers POLLINATION
    • How garden peas are pollinated SELF POLLINATION
    • Female part of a flower STIGMA
    • Having identical alleles (AA or aa) HOMOZYGOUS
    • Another term for a heterozygous genotype HYBRID
    • Law stating that a pair of alleles will separate whenever gametes are formed LAW OF SEGREGATION
    • F 1 Dihybrid phenotypic ratio 9:3:3:1
    • A genotype having one dominant and one recessive allele HETEROZYGOUS
    • Law stating that alleles separate independently of each other when sperm and eggs are formed LAW OF INDEPENDENT ASSORTMENT
    • F 1 Monohybrid Genotypic ratio 1:2:1
    • F 1 Monohybrid Phenotypic ratio 3:1
    • How Mendel pollinated garden peas CROSS POLLINATION
    • Male part of a flower ANTHER/STAMEN
    • The generation of true-breeding plants that Mendel used first P 1 GENERATION
    • Two forms of a gene ALLELES
    • Instructions on DNA that code for specific proteins or traits GENES
    • The weaker of two alleles in a pair that is often masked by the dominant allele RECESSIVE
    • Gene combination in the offspring GENOTYPE
    • Dominance that occurs whenever both alleles for a trait are expressed CODOMINANCE
    • Type of genetics that studies the genes and chromosomes of an organism MOLECULAR GENETICS
    • Type of letter used to represent a dominant allele CAPITAL
    • What Mendel called alleles in his experiments with pea plants FACTORS
    • The likelihood that an event will occur like tossing heads or tails on a coin PROBABILITY
    • Cross involving two traits DIHYBRID
    • Dominance that occurs whenever the hybrid genotype produces a new, intermediate phenotype INCOMPLETE DOMINANCE
    • Used to solve genetics problems PUNNETT SQUARE
    • Generation of all hybrids produced by crossing two pure organisms F 1 GENERATION
    • Crossing a hybrid with a pure organism is this type of cross (1:1) TESTCROSS
    • Genetic cross involving a single trait MONOHYBRID
    • Type of dominance in which the dominant allele is always expressed COMPLETE DOMINANCE
    • Generation that shows a 3:1 ratio of phenotypes F 2 GENERATION