Across
- 2. how much of their chromosomes do parents pass down
- 5. the ultimate goal of the HGP was to be able to ______ _______
- 6. characteristics of an organism
- 9. a long thread like molecule that is 3 billion base pairs long
- 11. the DNA molecule looks like a _____ staircase or _____ ladder
- 14. the four letters of the DNA code are A,T,__,__
- 17. the process of passing traits from an organism to its offspring
- 19. how many total chromosomes do humans have
- 21. genes have the specific _____ for ______
- 22. an example of a trait
- 23. the first goal of the HGP was to figure out the ____ of the DNA code
- 24. a living thing
- 25. the shape of a DNA molecule is a ______ helix
- 26. DNA is the ________ book for a living thing
- 27. how many pairs of chromosomes do humans have
Down
- 1. a project of scientists around the world to research human DNA
- 3. substances that create our traits
- 4. pieces or sections of the DNA code
- 7. _____ bases - another word for steps of the ladder
- 8. another word for steps of the DNA ladder = _____ pairs
- 10. the study of heredity
- 12. a disease or illness caused by a change in the genetic code
- 13. a change in the DNA code
- 15. all of an organism's DNA
- 16. the next generation of a living thing
- 18. mutations can be ______ or _________
- 20. the "weaker" form of a trait
- 25. the form of a trait that usually shows up more often in a population