What are the null and alternative hypotheses

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Reference no: EM131939102

In studying the genetic association between hair and eye color in human beings, a geneticist might hypothesize that the genes for hair color and eye color are located on the same chromosome. If a large group of dark-haired and brown-eyed people were to intermarry with another large group of light-haired and blue-eyed people, Mendel's law could be used to predict the characteristics of the second generation if the genes for hair color and eye color were on different chromosomes. The ratio of dark-haired and brown-eyed people to dark-haired and blue-eyed people to light-haired and brown-eyed people to light-haired and blue-eyed people would be 9:3:3:1. If the genes are on the same chromosome, this ratio does not appear.

a. What are the null and alternative hypotheses that should be used for this experiment?

b. Assume 1317 offspring of this type are located and classified with the following results:

Dark hair, brown eyes 782

Dark hair, blue eyes 234

Light hair, brown eyes 241

Light hair, blue eyes 60

What should the geneticist conclude?

Reference no: EM131939102

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