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a variation of a particular character


study of heredity


process by which sperm from one flower's pollen fertilizes the eggs in a flower of a different cell


offspring of two different true-breeding varieties

monohybrid cross

mating of two organisms that differ in only one character


alternative forms of genes


having identical alleles for a gene


having different alleles for a gene


descriptive of an allele in a heterozygous individual that appears to be the only one affecting a trait


descriptive of an allele in a heterozygous individual that does not appear to affect a trait


observable traits of an organism


genetic makeup of an organism, an organism's combination of alleles


mating of an individual of unknown genotype but dominant phenotype with a homozygous recessive individual

dihybrid cross

mating of two organisms that differ in two characters

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