Review Problems - ReviewProblems ReviewProblems UnitI Q.1

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Review Problems Review Problems Unit I Unit I
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    Q.1 In humans, brown (B) eyes are dominant over  blue (b). A brown- eyed man marries a blue-eyed  woman and they have three children. Two of them  are brown-eyed and the third one is blue-eyed.  What are the genotypes of the parents and  children?
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    In dogs, there is a hereditary deafness caused by a  recessive gene ‘d’. A kennel owner has a male dog that he  wants to use for breeding. The dog can hear, so the owner  knows that the dog’s genotype can be DD or Dd.  However, the owner would use him for breeding, only if  the dog is DD. This can be tested (testcross) by breeding  the dog to a deaf female (dd). How could you tell the  genotype of this male dog? Q.2
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    Q.3 In humans, the ability to roll one’s tongue (R) is 
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This note was uploaded on 02/28/2012 for the course BIO 325 taught by Professor Saxena during the Fall '08 term at University of Texas at Austin.

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Review Problems - ReviewProblems ReviewProblems UnitI Q.1

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