Crossword Chapter 9

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Across
  1. 4. a reduction in the genetic diversity of a population caused by a reduction in its size
  2. 9. DNA produced by combining DNA from different sources
  3. 10. An organism whose genetic material has been altered through some genetic engineering technology or technique.
  4. 14. situation in which allele frequencies remain constant
  5. 17. how often a form of a gene appears in a gene pool
  6. 18. agent that can induce or increase the frequency of mutation in organisms
  7. 19. small, circular piece of DNA located in the cytoplasm of many bacteria
  8. 20. All the genes, including all the different alleles for each gene, that are present in a population at any one time
  9. 21. gene mutation in which a single base pair in DNA has been changed
  10. 22. involves the insertion or deletion of a nucleotide in the DNA sequence
  11. 24. repetitive DNA at the end of a eukaryotic chromosome
  12. 25. analysis of sections of DNA that have little or no known function, but vary widely from one individual to another, in order to identify individuals
Down
  1. 1. an organism that contains genes from another species
  2. 2. Enzyme that cuts DNA at a specific sequence of nucleotides
  3. 3. the complete instructions for making an organism, consisting of all the genetic material in that organism's chromosomes
  4. 5. genetic drift that occurs after a small number of individuals colonize a new area
  5. 6. random change in allele frequencies that occurs in small populations
  6. 7. a technique that places a gene into a cell to correct a hereditary disease or to improve the genome
  7. 8. An error in meiosis or mitosis in which members of a pair of homologous chromosomes or a pair of sister chromatids fail to separate properly from each other.
  8. 10. movement of alleles from one population to another
  9. 11. Process of making changes in the DNA code of living organisms
  10. 12. mass of rapidly dividing cells that can damage surrounding tissue
  11. 13. Putting commands in correct order so computers can read the commands.
  12. 15. disorder in which some of the body's cells lose the ability to control growth
  13. 16. Combined genetic information of all the members of a particular population
  14. 19. A chromosomal alteration in which the organism possesses more than two complete chromosome sets.
  15. 21. the technique used by biologists to make many copies of a particular gene
  16. 23. A cancer-causing substance