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5 Written questions

5 Matching questions

  1. How many dominant alleles do you need to inherit to get these disorders? (Achondroplasia, Huntington's Disease, Hypercholesterolemia)
  2. What is Phenylketonuria?
  3. Affected male (image)
  4. What are sex-linked traits?
  5. What is Duchenne Muscular Dystrophy?
  1. a Traits controlled by genes located on the sex chromosomes
  2. b
  3. c Progressive weakening and loss of skeletal muscle - missing protein needed from proper muscle development
  4. d Accumulation of phenylalanine in tissues; mental retardation; lacks enzyme that breaks down phenylalanine
  5. e One

5 Multiple choice questions

  1. One or both parents show the trait; no generations are skipped
  2. Excess mucus in lungs, digestive tract and liver
  3. Square with a line through it
  4. 1) Achondroplasia
    2) Huntington's Disease
    3) Hypercholesterolemia

5 True/False questions

  1. Give four examples of dominant heredity?1) cleft chin
    2) widow's peak
    3) detached earlobes
    4) hitchhikers thumb


  2. What is Albinism?A graphic representation of genetic inheritance. A diagram made up of a set of symbols that identify males and females; individuals affected by the trait being studied; and family relationships


  3. What is a pedigree?Lack of pigment in skin, hair and eyes


  4. What is co-dominance?When the two alleles inherited from the parents are neither dominant nor recessive, but blend together to give a physical trait that is somewhere between the two


  5. What is Huntington's disease?A lethal genetic disorder caused by a rare dominant allele; It results in the breakdown of certain areas of the brain; normally deadly