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BARR BODY LESSON TEACHER NOTES Teachers should make sure that students have been taught a. b. c. d. e. f. g. mitosis meiosis karyotypes genetics sex-linked traits use of light microscope wet mount preparation Laboratory Exercise Answers to Analysis Questions 1. Accept all reasonable descriptions. Students should recognize the general uniformity of one cell type. 2. Students should see the cell membrane, cytoplasm, nuclear envelope, nucleus, nucleolus in both male and female cells,, and the Barr body in the female buccal cell. 3. The Barr body. 4. The Barr body should be just inside the nuclear envelope. 5. The fetus is a male. There is one Barr body. The fetus will exhibit Klinefelter’s syndrome.