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5 Written questions

5 Matching questions

  1. What does Tt stand for?
  2. pedigree
  3. What does tt stand for?
  4. purebred
  5. what is a karyotype?
  1. a a diagram that shows the occurrence of a genetic trait in several generations of a family
  2. b all are homologous
    22 pairs of autosomes and 1 pair of sex chromosomes
  3. c homozygous recessive and purebred recessive.
  4. d heterozygous or hybrid
  5. e type of organism whose ancestor are in a genetic uniform.

5 Multiple choice questions

  1. only carries one gene for each trait.
  2. the difference in the X and Y chromosome leads to a difference in the inheritance of traits located on the sex chromosome.
  3. both alleles expressed
  4. cross between an organism with an unknown genotype and organisms with a recessive phenotype.
  5. characteristic that is inherited.

5 True/False questions

  1. What did Gregor Mendel experiment?- he looked at different traits by cross-pollinating the pea flowers.


  2. recessive allelenot expressed unless two copies are present in an organisms genotype.


  3. hybridorganism that contains both dominant and recessive alleles.


  4. symbols used to create a pedigree.
    1. square
    2. shaded in square
    3. circle
    4. shaded in circle
    5. half shaded circle
    6. straight line then branches to two kids
    7.branches out to to two kids
    8. diamod with x through it
    1. male
    2. affected male
    3. woman
    4. affected woman
    5. carrier female
    7. identical twins
    8. dead


  5. What is the law of probability?-trait that is determined by the combinded effect of one or more genes. ex. human skin, hair, height, and eye color.