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5 Written questions

5 Matching questions

  1. zygote
  2. centromere
  3. cell cycle
  4. gametophyte
  5. asexual reproduction
  1. a The generation of offspring from a single parent that occurs without the fusion of gametes (by budding, division of a single cell, or division of the entire organism into two or more parts). In most cases, the offspring are genetically identical to the parent.
  2. b 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.
  3. c in a duplicated chromosome, the region on each sister chromatid where they are most closely attached to each other by proteins that bind to specific DNA sequences; this close attachment causes a constriction in the condensed chromosome.
  4. d An ordered sequence of events in the life of a cell, from its origin in the division of a parent cell until its own division into two. The eukaryotic is composed of interphase (including GG1, S, and GG2 subphases) and M phase (including mitosis and cytokinesis).
  5. e The diploid cell produced by the union of haploid gametes during fertilization; a fertilized egg

5 Multiple choice questions

  1. The division of the cytoplasm to form two separate daughter cells immediately after mitosis, meiosis I, or meiosis II.
  2. 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.
  3. A cell containing only one set of chromosomes (n).
  4. The X-shaped, microscopically visible region where crossing over has occurred earlier in prophase I between homologous nonsister chromatids. they become visible after synapsis ends, with the two homologs remaining associated due to sister chromatid cohesion.
  5. A method of asexual reproduction by "division in half." In prokaryotes, it does not involve mitosis, but in single-celled eukaryotes that undergo this, mitosis is part of the process.

5 True/False questions

  1. diploidA cell containing two sets of chromosomes (2n), one set inherited from each parent.

          

  2. chromatinThe X-shaped, microscopically visible region where crossing over has occurred earlier in prophase I between homologous nonsister chromatids. they become visible after synapsis ends, with the two homologs remaining associated due to sister chromatid cohesion.

          

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

          

  4. meiosisA 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.

          

  5. autosomesA chromosome that is not directly involved in determining sex; not a sex chromosome.

          

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