J. A. Moore investigated the inheritance of spotting patterns in leopard irogs (J. A. Moore. 1943. Journal of Heredity 34:3-7). The pipiens phenotype had the normal spots that give leopard frogs their name. In contrast, the burnsi phenotype lacked spots on its back. Moore carried out the following crosses, producing the progeny indicated. Parent phenotypes burnsi x burnsi burnsi x pipiens burnsi x pipiens Progeny phenotypes 39 burnsi, 6 pipiens 23 burnsi, 33 pipiens 196 burnsi, 210 pipiens

Question

Use a chi-square test to evaluate the fit of the observed numbers of progeny to the number expected on the basis of your proposed genotypes.

J. A. Moore investigated the inheritance of spotting patterns in leopard
irogs (J. A. Moore. 1943. Journal of Heredity 34:3-7). The pipiens
phenotype had the normal spots that give leopard frogs their name. In
contrast, the burnsi phenotype lacked spots on its back. Moore carried
out the following crosses, producing the progeny indicated.
Parent phenotypes
burnsi x burnsi
burnsi x pipiens
burnsi x pipiens
Progeny phenotypes
39 burnsi, 6 pipiens
23 burnsi, 33 pipiens
196 burnsi, 210 pipiens
Expand
Transcribed Image Text

J. A. Moore investigated the inheritance of spotting patterns in leopard irogs (J. A. Moore. 1943. Journal of Heredity 34:3-7). The pipiens phenotype had the normal spots that give leopard frogs their name. In contrast, the burnsi phenotype lacked spots on its back. Moore carried out the following crosses, producing the progeny indicated. Parent phenotypes burnsi x burnsi burnsi x pipiens burnsi x pipiens Progeny phenotypes 39 burnsi, 6 pipiens 23 burnsi, 33 pipiens 196 burnsi, 210 pipiens

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