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Genetics terms, Ch. 1, 2 Test

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of 127 available terms
(4 exact duplicates found)

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5 Written Questions

5 Matching Questions

  1. SRY gene
  2. product rule
  3. adenine (A):
  4. X linkage
  5. haplosufficient
  1. a A purine base that pairs with thymine in the DNA double helix.
  2. b The inheritance pattern of genes found on the X chromosome but not on the Y chromosome.
  3. c The maleness gene, residing on the Y chromosome.
  4. d Describes a gene that, in a diploid cell, can promote wild-type function in only one copy (dose).
  5. e The probability of two independent events occurring simultaneously is the product of the individual probabilities.

5 Multiple Choice Questions

  1. A chain of linked amino acids; a protein.
  2. An allele whose phenotypic effect is not expressed in a heterozygote.
  3. The two copies of a particular type of gene present in a diploid cell (one in each chromosome set).
  4. One of the two side-by-side replicas produced by chromosome division.
  5. To fertilize eggs with sperms from the same individual.

5 True/False Questions

  1. quantitative trait locus (QTL)Inheritance pattern in which the progeny have the genotype and phenotype of one parent only, for example, inheritance of mitochrondrial genomes.

          

  2. DNA clone:A cell having two chromosome sets or an individual organism having two chromosome sets in each of its cells.

          

  3. pseudoautosomal regions 1 and 2One of the (usually four) cells formed by the two meiotic divisions.

          

  4. centromere:A specialized region of DNA on each eukaryotic chromosome that acts as a site for the binding of kinetochore proteins.

          

  5. extranuclear:A class of small RNA molecules that bear specific amino acids to the ribosome in the course of translation; an amino acid is inserted into the growing polypeptide chain when the anticodon of the corresponding tRNA pairs with a codon on the mRNA being translated.

          

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