Biology quiz

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Author:
cj8
ID:
242419
Filename:
Biology quiz
Updated:
2013-10-23 17:27:17
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Biology
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Biology
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  1. DNA is _ replicated between meiosis 1 and meiosis 2
    not
  2. meiosis 2 divides sister chromatids in _ phases
    4
  3. meiosis 1 divides homologous chromosomes in _ phases
    4
  4. meiosis 1 occurs _ DNA has been replicated
    after
  5. what is the purpose of meiosis 2?
    sister chromatids divide. Sister chromatids r copies of the same chromosome
  6. what it the purpose of meiosis 1?
    pairs of homologous chromosomes separate (homologous chromosomes are similar but not diff)
  7. meiosis 1 and meiosis 2 each have _ phases, similar to those in mitosis
    4
  8. meiosis reduces chromosome _ and creates genetic _
    #, diversity
  9. cells go through _ rounds of division in meiosis
    2
  10. during meiosis, diploid undergo 2 cell divisons that result in _ cells
    haploid
  11. meiosis is involved in _ _
    sexual reproduction
  12. meiosis takes place only at a _ time in an organisms life cycle
    certain
  13. meiosis produces genetically _ cells and results in _ cells
    unique, haploid
  14. meiosis occurs in _ cells and produces _ gametes
    sex, diploid
  15. _ makes haploid cells from diploid cells
    meiosis
  16. mitosis and meiosis r types of _ _ that make diff types of cells
    nuclear division
  17. _ makes more diploid cells
    diploid
  18. Chromosome number must be _ in animals
    maintained
  19. Gametes have  _ autosomes and _ sex chromosome
    22, 1
  20. Gametes are _
    haploid
  21. _ cells have one copy of every chromosome
    haploid
  22. Half the chromosomes come from each _
    parent
  23. _ cells have 2 copies of every chromosome
    diploid
  24. _ btween egg and sperm occurs in sexual reproduction
    fertilization
  25. Body cells are _ and gametes are _
    diploid, haploid
  26. Chromosome pairs 1-22 are _; Sex chromosomes X and Y determine _ in mammals
    autosomes, gender
  27. for each homologous pair, _ chromosome comes from each parent
    one
  28. _ pairs of chromosomes have the same structure
    homologous
  29. your body cells have _ pairs of chromosomes
    23
  30. Your cells have _ and _ _
    autosomes and sex cells
  31. Gametes have _ that can be passed to offspring
    DNA
  32. Gametes are sex cells: _ and _
    egg and sperm
  33. Germ cells are located in the _ and _
    ovaries and testes
  34. Germ cells develop into _
    gametes
  35. body cells are also called _ cells
    somatic
  36. you have _ cells and _
    body, gamete
  37. Gametes have _ the number of chromosoms that body cells have
    1/2
  38. cell with little more than DNA that r eventually broken down
    polar bonds
  39. egg
    female gamete
  40. male gamete
    sperm
  41. the production of gametes
    gametogenisis
  42. a form of nuclear division that divides a diploid cell into haploid cells
    meiosis
  43. a cell has only one copy of each chromosome
    haploid
  44. a cell has 2 copies of each chromosome: one from mother and one from father
    diploid
  45. the actual fusion of an egg and a sperm cell
    fertilization
  46. involves the fusion of 2 gametes resulting in offspring that r a genetic mixture from both  parents
    sexual reproduction
  47. chromosomes that directly control the development of sexual characteristics
    sex chromosomes
  48. chromosomes that contain genes for characteristics not directly related to the sex of an organism
    autosomes
  49. two chromosomes, one from mother and one from father, that have the same length and general appearance
    homologous chromosome
  50. sex cells- ova, eggs-female, sperm-male
    gamete
  51. make up most of your bodys tissues and organs (also called body cells)
    somatic cell

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