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5 Written Questions

5 Matching Questions

  1. autosomes
  2. crossing over
  3. karyotype
  4. alternation of generations
  5. gametophyte
  1. a A display of the chromosome pairs of a cell arranged by size and shape.
  2. b The reciprocal exchange of genetic material between nonsister chromatids during prophase I of meiosis.
  3. c A chromosome that is not directly involved in determining sex; not a sex chromosome.
  4. d In organisms (plants and some algae) that have alternation of generations, the multicellular haploid form that produces haploid gametes by mitosis. The haploid gametes unite and develop into sporophytes.
  5. e A life cycle in which there is both a multicellular diploid form, the sporophyte, and a multicellular haploid form, the gametophyte; characteristic of plants and some algae.

5 Multiple Choice Questions

  1. A modified type of cell division in sexually reproducing organisms consisting of two rounds of cell division but only one round of DNA replication. It results in cells with half the number of chromosome sets as the original cell.
  2. specific location of a gene on a chromosome
  3. The complex of DNA and proteins that makes up eukaryotic chromosomes. When the cell is not dividing, it exists in its dispersed form, as a mass of very long, thin fibers that are not visible with a light microscope.
  4. The diploid cell produced by the union of haploid gametes during fertilization; a fertilized egg
  5. A cell containing only one set of chromosomes (n).

5 True/False Questions

  1. sporophyteIn organisms (plants and some algae) that have alternation of generations, the multicellular diploid form that results from the union of gametes. it produces haploid spores by meiosis that develop into gametophytes.

          

  2. cytokinesisA process of nuclear division in eukaryotic cells conventionally divided into five stages: prophase, prometaphase, metaphase, anaphase, and telophase. conserves chromosome number by allocating replicated chromosomes equally to each of the daughter nuclei.

          

  3. mitosisA modified type of cell division in sexually reproducing organisms consisting of two rounds of cell division but only one round of DNA replication. It results in cells with half the number of chromosome sets as the original cell.

          

  4. genomeThe diploid cell produced by the union of haploid gametes during fertilization; a fertilized egg

          

  5. somatic cellsA haploid reproductive cell, such as an egg or sperm. unite during sexual reproduction to produce a diploid zygote.

          

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