Genetics Exam

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Across
  1. 4. The phase where two sister chromatids of each chromosome separate as the spindles pull the chromatids apart
  2. 5. a cross in which 2 traits are being used
  3. 6. Is the second step of genetic editing
  4. 8. In bacteria, a small circle of DNA found outside the main chromosome is called a _________
  5. 12. is when a cell makes a copy of RNA from DNA
  6. 14. bonds with cytosine in both DNA and RNA
  7. 15. Father of genetics, studied pea plants
  8. 17. DNA molecule is packaged into thread-like structures in the cell called __________
  9. 20. Brown eyes is an example of a ______________
Down
  1. 1. Two different types of a gene
  2. 2. ___________ Selection is the process through which populations of living organisms change naturally (ex. Giraffes getting longer necks over time to reach tall trees)
  3. 3. is a well-known type of genome editing unique
  4. 7. Bb is an example of a __________
  5. 9. A famous scientist that studied on finches (birds) on the Galapagos islands
  6. 10. the type of mutation that has no effect
  7. 11. the addition of a base to a codon
  8. 13. Using the wheel (starting from inside letters and working your way out) what is the codon for methionine (start codon)
  9. 16. The phase where chromosomes line up in the center of the cell.
  10. 18. is a version (allele) of a gene that is stronger
  11. 19. are different forms of a gene, which make different traits