Fill- in-the-blank, labeling, and short answer questions make up this well-written cell division learning exercise. Neat diagrams of chromosomes and dividing cells are included. Junior biologists show what they know about reproduction, meiosis, fertilization, karyotypes, and genetic variation. Teachers' instructions with accommodations for special needs are provided. This is definitely a learning exercise that you will want to add to your collection of homework assignments or assessments.