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of 127 available terms
(4 exact duplicates found)

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5 Written questions

5 Matching questions

  1. Mendel's second law
  2. dihybrid
  3. mitochondrial DNA (mtDNA)
  4. independent assortment
  5. histone
  1. a A double heterozygote such as A/a · B/b.
  2. b A type of basic protein that forms the unit around which DNA is coiled in the nucleosomes of eukaryotic chromosomes.
  3. c See Mendel's second law.
  4. d The subset of the genome found in the mitochondrion, specializing in providing some of the organelle's functions
  5. e The law of independent assortment; unlinked or distantly linked segregating gene pairs assort independently at meiosis.

5 Multiple choice questions

  1. (1) The process that produces a gene or a chromosome set differing from that of the wild type. (2) The gene or chromosome set that results from such a process.
  2. The fundamental physical and functional unit of heredity, which carries information from one generation to the next; a segment of DNA composed of a transcribed region and a regulatory sequence that makes transcription possible.
  3. The production of equal numbers (50 percent) of each allele in the meiotic products (e.g., gametes) of a heterozygous meiocyte.
  4. Describes a gene that, in a diploid cell, can promote wild-type function in only one copy (dose).
  5. Refers to a genotype such as A/A.

5 True/False questions

  1. tetrad(1) Four homologous chromatids in a bundle in the first meiotic prophase and metaphase. (2) The four haploid product cells from a single meiosis.


  2. bivalentsTwo homologous chromosomes paired at meiosis.


  3. nucleotideA cell having one chromosome set or an organism composed of such cells.


  4. characterThe substance of chromosomes; now known to include DNA and chromosomal proteins.


  5. DNA clone:A section of DNA that has been inserted into a vector molecule, such as a plasmid or a phage, and then replicated to produce many copies.


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