Biomed 100 Practice Quiz
Chapter 20, Fall 2006
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  1. (3) Given a couple in which the man is albino and the woman has normal skin and is not a carrier of the albinism gene...
    • ...what is the probability that any one of their children will be albino? zero (0%)
    • ...what is the probability that any one of their children will not be albino? 100%
    • ...what is the probability that any one of their children will be a carrier of the albinism gene? 100%

  2. (6) Two known alleles that are involved in mucus production are
    + = dominant allele, supports normal mucus production
    CF = recessive allele, may lead to cystic fibrosis (CF)

    List below, the three (3) possible genotypes (combinations of alleles) and for each, the corresponding phenotype (normal or affected by CF). Also indicate any genotype(s) which would be considered "carrier" genotype(s).