ชื่อ-สกุล.....................................................ชั้น............เลขที่..... 4.1.1 รูปร่างลักษณะและจานวนโครโมโซม 1. คารีโอไปท์ (...........................) คืออะไร ....................................................................................................... ........................................................................................................................................................................... 2. ใช้จานวนโครโมโซมระบุสปีชีส์ของสิ่งมีชีวิตได้หรือไม่ เพราะอะไร ................................................................ ........................................................................................................................................................................... 3. โครโมโซมประกอบด้วยอะไรบ้าง .................................................................................................................. ........................................................................................................................................................................... 4. จีโนม (...................) หมายถึงอะไร................................................................................................................ ........................................................................................................................................................................... .............................................. .............................................. .............................................. .............................................. .............................................. .............................................. .............................................. .............................................. 4.2.2 องค์ประกอบของ DNA