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Tag Archives: Test cross

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Genetic Linkage and Recombination

ScienceBy William Anderson (Schoolworkhelper Editorial Team)November 2, 2010Leave a comment

Genetic linkage: genes located on the same chromosome may be inherited together in genetic crosses. Linked Genes: Genes on the same chromosomes Morgan- first to map genes; can’t directly measure the distance between genes Do it indirectly- genes sitting far apart on a chromosome would be more likely to be separated from one another during…

Mendel and Genetics

ScienceBy William Anderson (Schoolworkhelper Editorial Team)November 2, 2010Leave a comment

Blending theory of inheritance: hereditary trait blend evenly in offspring through mixing of parent’s blood. Mendel studied heritable characteristics called characters; plant color and seed shape. Variation in character= Trait Monohybrid cross between to heterozygous parents (Dr x Dr) F1 generation will yield phenotypic ration of 3:1 (1/4 getting PP or pp, or ½ getting…

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