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5 Written questions

5 Matching questions

  1. meiosis
  2. bell curve
  3. nucleotide
  4. homozygous dominant
  5. gene expression
  1. a a five-carbon sugar, a nitrogen base, and at least one phosphate group
  2. b cell division process that halves the chromosome number, to the haploid (n) number
  3. c Curve that results from a range of variation for a continuous trait; plotted against the frequency
  4. d a pair of dominant alleles at a locus on homologous chromosomes; e.g., AA.
  5. e when the information in a gene converts to a structural or functional part of a cell.

5 Multiple choice questions

  1. one allele is not fully dominant over another, the phenotype is somewhere in between
  2. Permanent, small-scale change in DNA. Primary source of new alleles
  3. Heritable unit of information in DNA
  4. Heterozygote. Individual with two different alleles at a gene locus.
  5. A type of nitrogen-containing base in nucleotides; also, base-pairs with adenine; does not occur in RNA.

5 True/False questions

  1. heterozygousidentical alleles at a gene locus on the chromosome, AA.


  2. asexual reproductionReproductive mode by which offspring arise from one parent and inherit that parent's genes only


  3. telophaseStage of mitosis during which chromosomes arrive at the spindle poles and new nuclei form.


  4. crossing overallele effects that are masked by a dominant allele on the chromosome.


  5. anaphaseStage of mitosis and meiosis in which chromosomes condense a become attached to spindles.