Biology Terms

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Across
  1. 2. People these days look different and have many traits becasue of______.
  2. 3. When a chromosome is a double celled_____ is occuring.
  3. 4. DNA needs _____ to make it's protein.
  4. 5. Doctors use ____ to see the baby's gender.
  5. 9. DNA has _____ as its sugar.
  6. 11. Twins that are not similar are_______.
  7. 12. Now in days people get so upset when there pet dies that they use ______ to "bring them back".
  8. 13. RNA has _____ as its sugar.
Down
  1. 1. when a chromosome is reduced from double celled to single celled ______ is occuring.
  2. 3. Cancer is caused by _____ in the person's DNA.
  3. 6. DNA's boarders are made of sugars and______.
  4. 7. Three _____ on the 21st set of cells is a sign of a mutation in the DNA.
  5. 8. Ben carries two matching alleles for blue eyes, so that makes him _____ for that physical trait.
  6. 9. Doctors use ____ molecules to see if the child was related to the man.
  7. 10. Scientist say that ______ are the building blocks of DNA and RNA.