PEARLS Seminar (Perak State) in Penang,2007

1. PEDAGOGY ENHANCEMENT AND REINFORCEMENT OF LEARNING STRATEGIES (PEARLS) BIOLOGY Cell Division

4. Solution 1 Show the diagrams and explain the structure of chromatin, chromatid and chromosome so that the students are able to differentiate their structure.

6. 1. Using different stages of mitosis and meiosis to show the location of chromatin, chromatid and chromosome. 2. Students are also explained that chromatid are also known as chromosome at the end of mitosis and meiosis. Solution 2

7. Mitosis Telophase Prophase Metaphase Anaphase

8. Meiosis Anaphase 1 Metaphase 1 Prophase 1 Telophase 1

9. Meiosis Anaphase 2 Metaphase 2 Prophase 2 Telophase 2

10. Students are given several diagrams of different stages mitosis and meiosis and they are asked to determine diploid and haploid number of chromosomes. Solution 3

11. 2n = ______ n = ______ 2n = ______ n = ______

12. 2n = ______ n = ______ 2n = ______ n = ______

13. Solution 4