Random chance and probability reading

At that point it would be wise as a researcher to

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Unformatted text preview: e assumptions on which your hypothesis is based. At that point, it would be wise as a researcher to explore alternative hypotheses. Null hypothesis So how is this directly applied to genetics research? In classical genetics research where you are trying to determine the inheritance pattern of a phenotype, you establish your predicted genetic explanation and the expected phenotype ratios in the offspring as your hypothesis. For example, you think a mutant trait in fruit flies has simple dominant inheritance. To test this you would set up a cross between 2 true-breeding flies: mutant female x wild-type male Biol 302, Fall 2013 Mendelian/non-Mendelian Genetics You would then predict the ratios of phenotypes you would expect from this cross. This then establishes an hypothesis that any difference from these results will not be significant and will be due to random chance alone. This is referred to as your “null hypothesis”. It, in essence, says that you propose that nothing else — no ot...
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This document was uploaded on 02/03/2014.

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