Genetics

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Across
  1. 2. The small piece of a chromosome that controls a trait.
  2. 6. This is what DNA makes in the cell.
  3. 7. The number of chromosomes that a human generally has.
  4. 11. The passing of traits from parents to offspring.
  5. 13. When we are writing the genotype for a recessive trait we use ___ letters.
  6. 15. When a child looks like a parent we say the child ______ their looks from their parent.
  7. 16. The different choices for a gene or trait.
  8. 19. The base that always pairs with adenine.
  9. 22. The ____ square is used to predict the possible outcomes of a pairing.
  10. 24. The study of how traits are passed is called.
  11. 26. These is what we call the letters we use to represent the alleles.
  12. 27. When alleles are the same, like AA or aa we say the alleles are ________.
  13. 28. The instructions for making an organism are?
  14. 29. The trait that isn't common in a population, like being left-handed.
Down
  1. 1. An organism like a Pitbull puppy that has exactly the same traits as its parents is called a ___.
  2. 2. The base that always pairs with cytosine.
  3. 3. When two genes control for the same trait.
  4. 4. An organism like a person that is a mix of traits is called a _____.
  5. 5. This is how a trait looks.
  6. 8. The characteristics of an organism are called it's ___.
  7. 9. Blood type O is called the ____ donor because everyone can take blood from them.
  8. 10. The base that always pairs with guanine.
  9. 12. When we are writing the genotype for a dominant trait we use ____ letters.
  10. 14. When the alleles are different, like Aa we say that the alleles are ______.
  11. 17. The doctor that figured out how to keep blood so that it could be transported was Charles ____.
  12. 18. The scientist who is considered the "Father" of genetics is?
  13. 20. The base that always pairs with thymine.
  14. 21. Genes are found on these, this is how DNA is stored in the nucleus.
  15. 23. Where we find the chromosomes in the cell.
  16. 25. The trait that is the most common in a population, like being right-handed.