1. Allele allele allele

2. Allele allele allele one form of a gene

3. Chromosome

4. Chromosome A bundle of dna that has many different genes

5. Codominance

6. Codominance When both alleles of a gene show up as a trait

7. Dominant Allele B, W, F, T, A The trait or allele that always shows up over a recessive allele.

8. Dominant Allele B, W, F, T, A

9. Recessive Allele d, b, t, w, a

10. Recessive Allele d, b, t, w, a The trait or allele that will not show up in the presence of a dominant allele.

11. Gene Gene

12. Gene Gene A segment of a chromosome that codes for one specific trait. Usually made of two alleles.

13. Genetics

14. Genetics The study of heredity or how traits are passed from parents to offspring

15. Genotype Bb, WW, cc,

16. Genotype Bb, WW, cc, The genetic makeup of an organism.

17. Phenotype Example. Orange head, white body, long fins, fat belly.

18. Phenotype Example. Orange head, white body, long fins, fat belly. An organisms set of traits.

19. Heredity

20. Heredity The process of traits being passed from parents to offspring.

21. Heterozygous Bb

22. Heterozygous Bb When two alleles for a gene are different.

23. Homozygous BB

24. Homozygous BB When two alleles for a gene are identical.

25. Hybrid

26. Hybrid An organism that has a mixture of traits.

27. Incomplete Dominance

28. Incomplete Dominance When a trait for a dominant allele blends with the traits for a recessive allele.

29. Meiosis

30. Meiosis The process of creating four sex cells with half the number of chromosomes as the original.

31. Mitosis

32. Mitosis The process of making an exact copy of a cell.

33. Mutations

34. Mutations When a gene or DNA becomes changed.

35. Probability

36. Probability The likeliness of something happening.

37. Punnett Square

38. Punnett Square A chart used to calculate the probability of offspring getting certain traits.

39. Purebred

40. Purebred When an organism has genes with all of the same alleles. All genes are homozygous.

41. Selective Breeding

42. Selective Breeding When you control what traits an organism has by selecting to breed parents with desired traits.

43. Trait

44. Trait A physical feature of an organism such as hair color.

45. Asexual Reproduction

46. Asexual Reproduction Reproduction involving only one parent

47. Sexual Reproduction

48. Sexual Reproduction Reproduction involving more than one parent

49. Genetic Engineering

50. Genetic Engineering Changing an organisms genes in order to control it's traits

51. Offspring

52. Offspring new organisms produced by a living thing