gene

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Across
  1. 3. A gene that is always expressed and hides others
  2. 6. of four nitrogen bases
  3. 8. Mendel the man that began the study of heredity
  4. 9. they were the first plants to study for heredity
  5. 11. The study of heredity, how traits are passed from parent to offspring
Down
  1. 1. Genes that work together to produce a third trait
  2. 2. A gene that is only expressed when a dominant gene isn’t present
  3. 4. Deoxyribonucleic Acid
  4. 5. Helix two strands of DNA that are twisted and combined
  5. 7. They are made up of deoxy sugar and
  6. 8. traits you get from your parents
  7. 10. The amount of chromosomes pairs you are usually born with