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Matching WorksheetName:__________________
Match the words in the first column to the best available answer in the second column.


_____ heredity 1)diagram used by biologists to predict the outcome of a genetic cross
_____ genetics 2)refers to an individual with two different alleles for a trait
_____ monohybrid breeding 3)condition in which both alleles for a gene are expressed when present
_____ true-breeding 4)refers to an individual with two identical alleles for a trait
_____ allele 5)an alternative form of a gene
_____ dominant 6)condition in which a trait in an individual is intermediate between the phenotype of its two parents
_____ recessive 7)the offspring from crosses among individuals of the F1 generation
_____ homozygous 8)the first two individuals that mate in a genetic cross
_____ heterozygous 9)characteristic of an organism that is influenced by several genes
_____ genotype 10)genetic trait that is expressed when it's allele is homozygous or heterozygous
_____ phenotype 11)genetic trait that is not expressed when the contrasting form of the trait is present
_____ punnet square 12)a genetic cross of an individual whose phenotype is dominant but whose genotype is unknown
_____ test cross 13)study of heredity
_____ probility 14)the existence of more than two alleles
_____ codominance 15)displaying only one form of a particular trait in offspring
_____ multiple alleles 16)cross involving one pair of contrasting traits
_____ polygenic trait 17)the first offspring from a cross of two varieties in the parental(P) generation
_____ P generation 18)transmission of genetic traits from parent to offspring
_____ F1 generation 19)the likelihood that a specific event will occur
_____ F2 generation 20)observable characteristics of an organism
_____ incomplete dominance 21)the geneic makeup of an organism as indicated by its set of alleles