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Homozygous heterozygous chro mosomes cell divisio n

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Unformatted text preview: essed contrasting characteristics 35. Used a large number of plants Genes 36. Dominant 37. Recessive 38. Genotype 39. Phenotype 40. Allele 41. Homozygous 42. Heterozygous 43. Chromosomes Cell Division: Mitosis 44. Normal cell division 45. Results in 2 daughter cells identical to the mother cell 46. Functions 25. Growth of organism 26. Replace old cells 47. Occurs only in somatic cells Cell Division: Mieosis 48. Reduction division 27. 23 chromosomes 49. Preparation of DNA for transmission to the offspring Deoxyribonucleic Acid (DNA) 50. Nucleotides = base + sugar (deoxyribose) + phosphate group 51. Complimentary bases 0. Adenine-Thymine 1. Cytosine-Guanine Deoxyribonucleic Acid (DNA) 52. Double helix 0. Each strand carries complimentary copy of same genetic info Ribonucleic Acid (RNA) 0. Uses a different sugar (ribose) 1. Base uracil is substituted for thymine 2. Single strand 3. Three types with highly specific functions 0. mRNA 1. rRNA 2. tRNA Protein Synthesis 53. Double helix of DNA unzips 54. One strand of DNA attracts RNA 55. RNA copies the DNA in complimentary form (mRNA) Protein Synthesis 56. mRNA migrates out of the nucleus 57. mRNA is attracted to a ribome 58. Ribosome moves long the mRNA strand "reading" the genetic message Sources of Variability 59. Genetic recombination 28. Segregation 29. Crossing-over 60. Mutation 61. Genetic drift 30. Small population effect 31. Founder effect 62. Gene flow 32. Decrease differences between populations...
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