In the garden pea, orange pods (orp) are recessive to green pods (Orp), and sensitivity to pea mosaic virus (mo) is recessive to resistance to the virus (Mo). A plant with orange pods and sensitivity to the virus was crossed to a truebreeding plant with green pods and resistance to the virus. The F1 plants were then testcrossed to plants with orange pods andsensitivity to the virus. The following results were obtained:160 orange pods, virus-sensitive165 green pods, virus-resistant36 orange pods, virus-resistant39 green pods, virus-sensitive400 total A. Conduct a chi square analysis to see if these two genes are linked.B. If they are linked, calculate the map distance between the two genes.

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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.