Chapter 6 Genetics

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Across
  1. 4. end result of meiosis
  2. 5. prophase chromosomes pair up with matching partners and swap parts
  3. 8. Males generate germ cells called spermatazoa (sperm), through
  4. 10. division of somatic cells; new cells receive the same number of chromosomes
  5. 11. two step cell division
  6. 12. four bases in DNA (first letters), form a double helix
  7. 14. Transfers amino acids to make proteins.
  8. 16. identical allelic genes are?
  9. 17. part of the robosomes, where the proteins are built.
  10. 20. several amino acids form a
  11. 21. sequence of 3 bases
  12. 23. inactivated x chromosome forms a contracted structure known as a
  13. 24. Females generate germ cells called ova (egg) through
  14. 25. Prophase, metaphase, anaphase, telophase
  15. 26. Can duplicate itself
Down
  1. 1. mature germ cells (23 chromosomes)
  2. 2. 46 in the human body
  3. 3. trait or gene needs only one gene to exhibit the trait
  4. 6. trait or characteristic needs 2 genes to exhibit
  5. 7. Carries the message from the DNA to ribosomes
  6. 9. different allelic genes are?
  7. 10. how is mitochondrial DNA inherited
  8. 13. inherited abnormalities at the lvl of 1 or both allelic genes (# or structure)
  9. 15. genes that are located at the same lvl (locus)
  10. 18. primitive germ cells (46 chromosomes)
  11. 19. abnormalities that can be observed in a karotype
  12. 22. one or more polypeptides for a