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Anhe 0102 Question Paper

Anhe 0102 

Course:Bachelor Of Animal Biosystem And Management

Institution: Egerton University question papers

Exam Year:2011



Embryology and histology cat
instruction: answer all questions:
1 .define the following terms:
i. Sperm capacitation (4marks)
ii. Gametogenesis (4marks)
iii. spermiogesis (4marks)
iv. Spermoigenesis(4marks)
v Ooenesis(4marks)

2. Describe the the early empronic development from fertilization to the stage of the embryo proper.(20marks)

3. a Describe the closure of foramen ovale.(5marks)
b.Difine the following terms:
i Tetralogy of fallot (1marks)
ii Ventricular septal defect(1mark)
iii. Stenosis of the pulmonary trunk(1mark)
v Angiogenesis(1mark)

C.) Describe the function of ductus arteriosus.(5marks)
d) Under the devolopment of the digestive system descrie what the endoderm,mesoderm and ectoderm give rise to.(5marks)
4. a)give the four processes invplved in fertilization.(4mark)
b)Describe the process of sperm penetrating the ovum.(12marks)






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