handout 1.27.11 - 1/27/11 - -THREE WAYS TO ESTIMATE h2 1....

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1 1/27/11 --------------------------------------------------------------------------------------------------------------------------------------- THREE WAYS TO ESTIMATE h 2 1. Standard Mendlian crosses (e.g., pigs, weight) 2. Comparisons of related family members 3. Artificial selection (i.e., preferential/selective breeding of animals, plants, and other groups as controlled by humans) ESTIMATING h 2 BY ARTIFICIAL SELECTION h 2 = R / S R = response to selection (observed change in trait in one generation of artificial selection); realized change S = selection differential (difference in phenotype between the original population and selected subgroup of breeding parents; reflects potential change in trait due to one generation of artificial selection) --------------------------------------------------------------------------------------------------------------------------------------- DNA, THE HEREDITARY MATERIAL 1. Storage of genetic material 2. Transfer of genetic instructions throughout cell
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This note was uploaded on 06/08/2011 for the course PCB 3063 taught by Professor Marta during the Spring '08 term at University of Florida.

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