Across
- 3. kingdom, ___________, class, order, family, genus, species
- 5. type of variation caused by things other than your genetics
- 8. sections of DNA that code for proteins are called __________
- 12. proteins are made up of __________ acids
- 13. each 3 bases in a DNA base sequence is called a _________
- 16. where the DNA is found in a eukaryotic cell
- 19. a disease where you only need one copy of the diseased allele is called a ______________ inherited disorder
- 21. for the decay of a dead organisms to occur, it must be the right temperature and there must be bacteria and ___________ present
- 22. a tightly coiled strand of DNA is called a ________________
- 26. each nucleotide in a DNA strand is made up of a sugar, a phosphate and a _______
- 27. cells produced by meiosis cell division
- 28. the natural process where organisms become adapted to better suit their environment over millions of years
- 30. different versions of the same gene are called ______________
- 32. type of reproduction that involves only one parent
- 34. process where a sperm cell fuses with an egg cell
- 36. a binomial name is made up of the species' __________ name and species name put together
- 38. bones decay very slowly, and as they decay they become _____________ to form hard rock in the shape of the bone
- 39. a change in a DNA base sequence
- 40. the male gamete in plants
Down
- 1. the parts of the cell that makes the proteins
- 2. the level of classification added to the Linnean system by Carl Woese
- 4. the reproductive organs of plants are found in their ___________
- 6. mutations can occur when cells divide, during DNA _________________
- 7. someone who does not have an inherited disease but has the copy of the gene that causes the disease in their genotype is said to be a _____________ of the disease
- 9. where all individuals of a species have died
- 10. things that make an organism well suited to its environment
- 11. Base A only pairs with base T - this is known as _______________ base pairing
- 14. the name of the cell that is produced when a sperm cell and egg cell fuse
- 15. a disease where you only need one copy of the diseased allele is called a ______________ inherited disorder
- 17. the scientific term for 'making proteins' is protein _____________
- 18. type of drug used to treat bacterial infections
- 20. type of variation that is passed down from parents to their offspring
- 23. the remains of dead organisms that lived millions of years ago
- 24. two organisms that can reproduce together to produce fertile offspring are said to be members of the same ___________
- 25. type of cell division that is used for growth and repair
- 29. a key advantage of sexual reproduction
- 31. bacteria that are resistant to most antibiotics are referred to as ________________
- 33. whether a gene is switched on or off is referred to as gene ________________
- 35. the structure of a DNA molecule is referred to as a double __________
- 37. a DNA strand is made up of millions of ________________ joined together to form a chain