TASK 2. Staging zebrafish embryos

Question 2.   

Staging zebrafish

embryos or larvae. [

You have a series of dishes containing zebrafish embryos or larvae at three different developmental stages. For each dish compare the embryos to the staging series images (see lab practical manual staging series ). Through this comparison and by counting the somite number, determine the stage of fishes in each dish. 

[3 marks; 1 mark per dish]