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