A dihybrid cross of two plants is done and the seed pod shape is examined. The seed stock was pure, both always made triangular pods. The pod shape is known to be controlled by two independently assorting genes. You cross the plants and produce an F1 generation, and all the seed pods are triangular. Then you cross the F1 plants to each other in three independent experiments and the F2 data is presented in Table 1. Explain the type of epistasis that is event in this data. Suggest a molecular mechanism that can explain this type of gene interaction. Table 1 Experimental results of Plant Crosses   Ovoid pods Triangular pods Experiment 1 38 162 Experiment 2 42 173 Experiment 3 32 153

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Inheritance and Mendelian Genetics

Inheritance means the passing of traits to offspring from parents. These traits could be passed either through asexual reproduction or sexual reproduction. The offspring receives the genetic material from the parents. Mendelian inheritance is a certain biological inheritance that follows the rules and principles laid down by Gregor Mendel in 1865. The initial hypothesis was considered wrong, but other inheritance theories modified the concept of inheritance and thus genetics.