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Download full textLivni-Alcasid, Gur A.; Haskel-Ittah, Michal; Yarden, Anat – Education Sciences, 2018
In genetics education, symbols are used for alleles to visualize them and to explain probabilities of progeny and inheritance paradigms. In this study, we identified symbol systems used in genetics textbooks and the justifications provided for changes in the symbol systems. Moreover, we wanted to understand how students justify the use of…
Descriptors: Genetics, Science Instruction, Grade 9, Problem Solving
