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of 127 available terms
(4 exact duplicates found)

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5 Written questions

5 Matching questions

  1. model organism
  2. dominant
  3. deoxyribonucleic acid:
  4. tetrad
  5. molecular marker
  1. a A chain of linked nucleotides (having deoxyribose as their sugars). Two such chains in double helical form are the fundamental substance of which genes are composed.
  2. b (1) Four homologous chromatids in a bundle in the first meiotic prophase and metaphase. (2) The four haploid product cells from a single meiosis.
  3. c A site of DNA heterozygosity, not necessarily associated with phenotypic variation, used as a tag for a particular chromosomal locus.
  4. d ...
  5. e The phenotype shown by a heterozygote.

5 Multiple choice questions

  1. One of a pair of sex chromosomes, distinguished from the X chromosome.
  2. A mutation that confers a mutant phenotype but still retains a low but detectable level of wild-type function.
  3. One of the (usually four) cells formed by the two meiotic divisions.
  4. The two copies of a particular type of gene present in a diploid cell (one in each chromosome set).
  5. The sex with homologous sex chromosomes (e.g., XX).

5 True/False questions

  1. homologyA cell having one chromosome set or an organism composed of such cells.

          

  2. Northern blottingThe transfer of electrophoretically separated RNA molecules from a gel onto an absorbent sheet, which is then immersed in a labeled probe that will bind to the RNA of interest.

          

  3. heterogametic sexThe sex with homologous sex chromosomes (e.g., XX).

          

  4. monohybridA single-locus heterozygote of the type A/a.

          

  5. homozygoteAn individual organism that is homozygous.

          

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