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In corn, colored aleurone (R) is dominant to colorless aleurone (r), and green plant color (G) is dominant to yellow plant color (g). two plants, each heterozygous for both characteristics, are testcrossed to homozygous recessives, and their progeny are combined to produce the following totals:
colored green 100colored yellow 97colorless green 103colorless yellow 100
a) use chi-squared analysis to test these data for independent assortment of the two characteristics.b) when the progeny of each of the two heterozygous plants are scored separately, the following results are obtained:
phenotypes plant 1 plant 2colored green 88 12colored yellow 12 85colorless green 9 95colorless yellow 92 8
use chi-squared analysis to test each data set for independent assortment.
c) explain the results of the three chi-squared analyses. what do these analyses tell you about the chromosomal arrangements and the genotypes of plants 1 and 2 and the events that occured during gamete production?
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