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exam 1 ans - AGRY320 EXAM NUMBER ONE NAME_Key GENETICS Sept...

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AGRY320 GENETICS EXAM NUMBER ONE Sept. 17, 2007 NAME____________ Key W ___________________________________________ This exam is worth 100 points. Carefully read all of the information presented and follow the directions. Clearly provide the correct or most likely answer to each problem according to the instructions. Showing your work or indicating your thinking may result in partial credit for incorrect answers. Be aware that solving some of the problems may help you solve previous or subsequent problems.
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2 2 1 . The figure below (Fig. 1) depicts a pair of homologous chromosomes. Refer to this figure to fill in the blanks, or circle the correct bolded option. Each correct answer is 5 points . a ) What is the structure w? _______ chiasma _________ b ) What is the structure x? ______ centromere _______ c ) What is the structure y? _______ telomere __________ d ) A and a are _____ alleles ___________ of the same gene. e ) How many chromosomes are shown in the figure? __ 2 ___ f ) How many chromatids are shown in the figure? ___ 4 ____ g ) How many centromeres are shown in the figure? __ 2 ____ h ) Which stage of cell division is represented by the figure? __
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