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5 Written questions

5 Matching questions

  1. homozygous
  2. what is considered all cells in blood?
  3. what is incomplete dominance?
  4. codomance
  5. What is the principle of domanince?
  1. a -heterozygous individual shows a blend of two traits.
  2. b both alleles expressed
  3. c -one gene in a trait can prevent the other gene from being expressed
    -gene expressed as dominant is upper case
    -gene expressed lower case is recessive
  4. d characteristic of having tow of the same alleles at the saw locus of sister chromatids.
  5. e red, white, and platelets.
    carry oxygen 45%

5 Multiple choice questions

  1. not expressed unless two copies are present in an organisms genotype.
  2. a diagram that shows the occurrence of a genetic trait in several generations of a family
  3. when two different alleles are present in an organisms genotype.
  4. Hemophilia.
  5. homozygous recessive and purebred recessive.

5 True/False questions

  1. what does TT stand for?TT stands for homozygous dominant and purebred dominant.


  2. traitorganism that contains both dominant and recessive alleles.


  3. what does the y chromosome carry? and who does it only affect?sex linked traits; only affects the male.


  4. If a family has 100 girls what is the chance of them having another girl?always a 50% chance for a girl or guy


  5. what is a poygenic trait?all are homologous
    22 pairs of autosomes and 1 pair of sex chromosomes