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24 Cards in this Set
- Front
- Back
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Father of genetics
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Gregor Mendel
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Studied contrasting traits in pea plants
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Gregor Mendel
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Developed terms dominant and recessive
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Gregor Mendel
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Trait that masks or hides other traits
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Dominant
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trait that is hidden or masked by another trait
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Recessive
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states that a pair of factors is segregated, or separated, during the formation of gametes
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Law of segregation
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states that factors for different characteristics are distributed to gametes independently
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Law of independent assortment
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Mendel's work led to the branch of biology known as ________
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genetics
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Mendel's focus was on ________ ___________ of characteristics from parents to offspring
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heredity transmission
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Mendel's work also led to the study of _________ ________
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molecular genetrics
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Study of chromosomes and genes
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molecular genetics
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segment of DNA on a chromosome that controls a hereditary trait
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gene
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alternative form of a gene
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allele
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genetic makeup of an organism; consists of two letters representing two alleles received from parents
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Genotype
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physical appearance; depends on genotype
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Phenotype
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Genotype a can be __________ or ____________
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homozygous or heterozygous
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both alleles of a pair are alike
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Homozygous
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alleles of a pair are different
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Heterozygous
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Likelihood that a specific event will occur
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Probability
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May be expressed as a decimal, percent, or fraction
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Probability
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occurs when 2 or more alleles influence the phenotype
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Incomplete Dominance
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In incomplete dominance, neither ______ is dominant over the other
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allele
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An ____________ _________ results from incomplete dominance
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intermediate phenotype
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both alleles for a gene are expressed in a heterozygous offspring
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Codominance
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