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