Zoology Lab Embryology

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tbby5065
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61981
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Zoology Lab Embryology
Updated:
2011-01-25 15:37:17
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Embryology lab
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embryology
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  1. ___: is the genetic code how to build something.
    DNA
  2. Cleavage Terms
    1. _____: pattern
    2. ______: no pattern
    • 1. regular
    • 2. irregular
  3. Cleavage Terms
    Regular: ____
    a. ______
    b. phylum (____)
    • pattern
    • purifera
    • jelly fish
  4. Cleavage Terms
    Irregular: no pattern
    a. Holoblastic, ________ ( echinodermis)
    b. Meroblastic, ________ (bids & ____)
    c. ________, multinuclear (_____)
    • complete nuclear division.
    • incomplete nuclear division, reptiles.
    • Superficial, insects
  5. What are the major groups of animals?
    Protosomes & Deuteristomes
  6. List 4-5 differences between Protosomes & Deuteristomes.
    • Protosomes: 1. invertibrets, 2. Spiral, 3. determinate, 4. blastopore forms a mouth, 5. schizocelles mesoderm
    • Deuteristomes: 1. vertebrates, 2. radial, 3. indeterminate, 4. blastopore forms anus, 5. entrocelus mesoderm
  7. _______: point at which ________ into becoming a specific thing.
    cell fate, cell is locked
  8. _____ cell fate is termed determinate/mosaic.
    early
  9. late cell fate is termed __________.
    indeterminate/regulative
  10. What are the 4 common egg types?
    • 1. Telolesithal
    • 2. Mesolecithal
    • 3. Isolecithal
    • 4. Centrolecithal
  11. Name the 3 germ layers.
    • 1. Ectoderm
    • 2. Endoderm
    • 3. Mesoderm
  12. ____: is the germ layer dealing with skin, structure, nervous system.
    Ectoderm
  13. Endoderm: germ layers deal with _____
    digestive system
  14. _____: deals with organs, muscles, reproductive system.
    Mesoderm

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