Genetics and Biology

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Across
  1. 4. The two-letter genetic code for a trait. Example: Bb
  2. 5. The physical trait we see on the outside
  3. 7. The smallest unit of life is the ___________
  4. 9. Every genotype has _____ letters
  5. 10. The reason you have TWO alleles for every gene is that you get one from each _________
  6. 14. In order to make your genes fit, they are wrapped around x-shaped ____________
  7. 15. __________ are important because they determine your traits
  8. 16. Your genes are only 2% of your total __________, which you extracted from the strawberry
  9. 18. This type of reproduction only requires one parent, and creates two identical copies
  10. 19. How you look and behave. Examples: which hand you write with, hair and eye color
Down
  1. 1. R = right-handed, r = left-handed. If a person's genotype is Rr, which hand will they write with?
  2. 2. The letters don't matter, but _______________ does
  3. 3. E = green eyes, e = blue eyes. If a person's genotype is ee, what color eyes will they have?
  4. 6. Your genes are located inside the ____________ of your cells
  5. 8. You have _______-six chromosomes total
  6. 11. Different versions of the same gene.
  7. 12. Genes are the instructions for building __________, which change your traits
  8. 13. B = brown hair, b = blonde hair. If a person's genotype is BB, what color hair will they have?
  9. 17. blonde, brunette, redhead are all examples of different alleles for the ________ color gene
  10. 20. This type of reproduction requires TWO parents and produces an offspring with 50% of each parents genes