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.
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-sensitive
165 green pods, virus-resistant
36 orange pods, virus-resistant
39 green pods, virus-sensitive
400 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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