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Cards In This Set
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Crossing-over
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Crossng over occurs during meiosis, homologous chromosomes form a tetrad, chromatids cross over one another, the crossed sections of the chromatids are exchanged.
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Codominance
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Both alleles contibute to the phenotype
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Probability
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The likelyhood that a particular enent will occur.
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Alleles
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Different forms of genes. (tall & short plant for example)
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Meiosis
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Process of reduction division in which the number of chromosomes per cell is cut in half through the separation of homologus chromosomes
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Haploid
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A cell that contains one set of chromosomes
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Tetrad
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Structure formed by corresponding homologous chromosomes. There are 4 chromatids in a tetrad.
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Genotype
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Genetic makeup
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Multiple Alleles
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Genes having more than alleles
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Genes
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The chemical factors that determine traits.
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Polygenic Traits
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Having many genes
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Segregation
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Separation (of alleles)
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Phenotype
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Physical look of a gene
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Punnett Square
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Diagrams used to predict and compare genetic variations resulting from a cross.
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Homologus Chromosomes
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Four chromosomes from one parent having a cooresponding chromosome from the other parent.
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