Biology review

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Biology review

  1. 1. Biology ReviewMiss Luzma Fabre
  2. 2. Blood genotypes and phenotypes
  3. 3. 1. Two parents have the following alleles for hemophilia: XHXh and XHY. Draw a Punnett square to answer the following questions:What is the probability that a son will havehemophilia?What is the probability that a daughter will havehemophilia?
  4. 4. 2. In hemophilia, a sick allele is Xh and a normal allele is XH.a) What is the genotype of a woman that is a carrier of hemophilia?b) Of a normal woman?c) Of a male that has hemophilia?
  5. 5. Pedigree
  6. 6. Construct a pedigree3. Emily (carrier of colorblindness) and Dave (normal) got married and had 2 children: Robert (colorblind) and Monica (carrier).• Monica got married with Tom (normal) and had 2 children: Vanessa (normal) and Paul (colorblind)• Robert got married with Sophie (normal) and had 1 son: Nicka) Construct a pedigree for the familyb) Determine if Nick has colorblindness

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