Remember, when describing an experiment it is necessary to indicate the significance of the various possible outcomes of the experiment 10. You have decided to undertake a program of study on the development of an organism whose development has not previously been studied. Describe experiments you would do to determine whether the development of the nervous system is a mosaic or regulative process in this organism. or 10. Discuss how the mosaic and regulative mechanisms of determining cell fate are related to yolk distribution and cleavage pattern in the egg and the site of sperm entry during fertilization. Answer all questions in an exam booklet.
All questions require written answers, in sentences and paragraphs.
Short Answers 1. Short Paragraphs 1. Essay Questions 1. Describe the signaling hierarchy that leads to the development of the anterior-posterior body pattern in Drosophila melanogaster giving examples of signaling molecules from each hierarchical level and the role that they play in overall pattern formation.