probset1_sum07

probset1_sum07 - Summer 2007 Name: _ TA: _ Problem Set 1:...

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ummer 2007 Name: ___________________________ TA: ________________ Problem Set 1: Meiosis and Mendelian Genetics 20 pts., due in lecture Monday Aug. 8 . THEY WILL NOT BE ACCEPTED LATE!!! The key will be posted soon after. Start early – the material is supported by lectures and lab this week. 1. In staghorn beetles, two alleles of one gene determine the character difference of eyes being red versus yellow and two alleles of a separate, independent gene determine the character difference of horns being straight versus curved. The results for four matings of staghorn beetle phenotypes are shown below. Number of progeny Mating Parental Phenotypes Red/ curved Red/ straight Yellow/ curved Yellow/ straight 1 red/curved x yellow/straight 192 202 189 194 2 red/curved x yellow/straight 799 0 0 0 3 red/straight x yellow/curved 374 395 0 0 4 red/straight x yellow/straight 0 407 0 394 a. Determine which alleles are dominant and assign a letter to each. b.
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This note was uploaded on 04/18/2008 for the course BSCI 105 taught by Professor Jensen during the Fall '07 term at Maryland.

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probset1_sum07 - Summer 2007 Name: _ TA: _ Problem Set 1:...

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