BIOL 2153 : Quiz3
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Biol 2153, sec 1 & 2 name:_______answer key______ I-1, i-2, ii-1, and iii-1: suppose that ii-7 and ii-8 have a child and it turns out to be an unaffected girl. Remove: ______none_________________________________________: a normal chromosome has the following sequence of segments: A b c d d c b f g h i j. A b c d e f g j. A b h g f e d c i j. Cathy who is a carrier married a no rmal man. Their son, john, has klinefelter"s syndrome (xxy), and he is hemophilic. Also assume that the mother and father are each chromosomally normal. Meiosis ii [secondary] nondisjunction in the mother: the percent guanine in a double-stranded dna is 20. What is the percent adenine in that dna? (2 pts) 30: a double-stranded dna is 3500 base-pair long. How many pyrimidines does it contain? (2 pts) 3500: there are two double stranded dnas (sample a and sample b).
