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Advanced students do not transfer knowledge of chromosome structure when thinking about alleles. The GCA (Smith et al., 2008) was administered to students entering a human genetics course (an upper-level elective, n = 24). Results of questions 13, 23, 2, and 20 from version 6.22 are shown. The red and blue show questions paired by concept; dark bars indicate simple recognition questions, and light bars indicate questions that require deeper understanding.
