Matching Pairs Mendel Genetics VocabOnline version Genetics vocabulary words and examples by alicia ussery 1 A diagram that predicts the outcome of a genetic cross 2 Two different alleles of a particular gene present in an individual EX- Rr 3 The expressed form of the allele. 4 The offspring of the F1 Generation 5 Recessive 6 Monohybrid Cross 7 Test Cross 8 Multiple alleles 9 Law of Independent Assortment 10 The different versions of a gene 11 the science of heredity - traits are passed down from parents to offspring 12 The displaying of a phenotype that is intermediate (a mix) between parents. 13 A characteristic of an organism that is determined by many genes 14 Sex-Linked Gene 15 The passing of characteristics from parents to offspring 16 Phenotype 17 When two dominate alleles are expressed at the same time 18 Law of Segregation 19 Pedigree 20 The likelihood that a specific event will occur 21 P Generation 22 The offspring of the P Generation 23 Two of the same alleles of a particular gene present in an individual EX: RR, rr The alleles of different genes separate independently of one another The physical appearance of a character EX: brown hair, green eyes, etc. Punnett Square Dominant Alleles Heterozygous A family history that shows how a trait is inherited over several generations A trait that is determined by a gene found on one of the sex chromosomes, such as the X chromosome. A trait that is not expressed when the dominant trait is present. F2 Generation genes with more than two alleles EX: blood type Genetics Polygenic Inheritance F1 Generation A cross that involves ONE pair of contrasting traits. An individual whose phenotype is dominant, but whose genotype is not known, is crossed with a homozygous recessive individual. The parental generation - original two individuals that are crossed during a breeding experiment. Probability Two alleles for a character segregate when gametes are formed. Heredity Homozygous Incomplete Dominance Codominance
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