Amanda Perkins CH 9 BIO.docx - Amanda Perkins Dr Rao BIO...

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Amanda Perkins10-28-2019Dr. RaoBIO 1001KCH. 9: Patterns of InheritanceGenetics: study of genes and inheritance in living organisms.Character: any observable feature, or trait, of an organism, whether acquired or inherited. Anacquired characteris a response to the environment; aninherited character is produced bygenestransmitted from parent to offspring (their expressions are often modified by environmental conditions).Trait: single feature or quantifiable measurement of an organism.True-breeding: organisms are those that can transit certain traits to all their offspring. True breeding organisms appear to be similar to each other in appearance, respond similarly to the environment and are homogenous for many characteristics that differentiate them from other members of the samespecies.Hybrids: offspring resulting from combining the qualities of two organisms of different breeds, varieties, species or genera throughsexual reproduction.Cross: amethodofhybridizationor thehybridso produced.P generation: parental generation. First set or first generation in study of inheritance.F1 generation: first filial generation and offspring of p-generation.F2 generation: 2ndfilial generation obtained by crossing of F1 individuals. (Offspring of F1 generation)Alleles: one of two alternate forms of a gene that can have the same locus on homologous chromosomes and are responsible for alternative traits.

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