9Cynthia F.Wynne,High School Students"use of meiosis when solving genetics problems,International Journal of Science Education,2001,volume23,No 5,p501—505.
10Derrick R.Lavoie,Effects of emphasizing Hypothetic-predictive Reasoning within the Seience Learning Cyele on High Sehool students Process skills and conceptual understandings in biology.Journal of Research in Seience Teaching,1999,volume 36,No 10,pp1131.