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ch 15 - Genetics and Chromosomes Mary marries Jim They both...

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1/30/09 1 Genetics and Chromosomes fluorescent DNA probes applied to human chromosomes Mary marries Jim. They both see colors properly, but their son, Raymond, is color blind. What can we deduce? A. Jim is a carrier for color blindness B. Mary is a carrier for color blindness C. Jim is not the biological father D. both A and B are possibilities E. both B and C are possibilities Mary marries Jim. They both see colors properly, but their son, Raymond, is color blind. What can we deduce? A. Jim is a carrier for color blindness B. Mary is a carrier for color blindness * C. Jim is not the biological father D. both A and B are possibilities E. both B and C are possibilities X Y X c X X c X X XY X c Y B. Y X X c X XY X c C. Note that the mother determines color blindness in her sons Chromosomes see Fig. 16.21 Histones are highly conserved. A nucleosome is composed of histone proteins. They have many negatively charged amino acids that bind to the DNA.
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