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Question 2:   Examination of the chicken embryo at day 3.5 of development. [10 m...

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Question 2:  Examination of the chicken embryo at day 3.5 of development. [10 marks].

Collect one 3.5 day-old egg per student pair from the DEV3011 lab technical staff. 

Window the egg to view the embryo (steps 1-9 above). Place under the dissecting microscope. 

a) Image the embryo and label these features:  (9 marks).

  • Eye 
  • Forebrain
  • Midbrain
  • Hindbrain 
  • Neural tube
  • Heart
  • Somites 
  • Forelimb buds
  • Hindlimb buds

b) For your embryo, determine the developmental stage (Hamburger and Hamilton stage) (1 mark)

Up-load image 

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