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5 Written questions

5 Matching questions

  1. Human height, eye color, and skin color are all traits controlled by _____________.
  2. gender determination
  3. sex-linked gene
  4. The actual combination of alleles of an organism is its ________________.
  5. recessive genetic disorders
  1. a
    The female only provides an X chromosome, but the male may fertilize an egg with either an X or Y. If an X fertilizes the egg, then XX or a girl will result. If a Y fertilized the egg, then XY or a boy will result.
  2. b some allele are on the sex chromosomes like color-blindness, which is sexlinked on the X chromosome.
  3. c genes
  4. d genotype
  5. e these genetic disorders occur when both parents have a recessive allele for a disorder; the parents my be heterozygous and not show any symptoms of a disorder, but if the child inherits a recessive gene from each parent, then the child will have ta recessive genetic disorder like cystic fibrosis.

5 Multiple choice questions

  1. genetic engineering
  2. the two alleles for an organism are exactly the same (TT or tt). This is also known as Purebred..
  3. genetics
  4. replacing abnormal genetic material with normal genetic material
  5. alleles

5 True/False questions

  1. mutationthe study of how traits are inherited through the actions of alleles


  2. What describes the allele that causes color blindness?recessive genes


  3. incomplete dominanceinserting a useful segment of DNA from one organism into a bacterium; an example is the production of growth hormone to treat dwarfism and chemicals to treat cancer


  4. Punnett Squarethe study of how traits are inherited through the actions of alleles


  5. genetic engineeringexperimenting with biological and chemical methods to change the arrangement of DNA that makes up a gene