Which of these cells is (are) haploid? (Activity 12A)

A diploid organism whose somatic (nonsex) cells each contain 32 chromosomes produces gametes containing _____ chromosomes. (Activity 12A)

Which of these phases encompasses all of the stages of mitosis? (Activity 12B)

During _____ both the contents of the nucleus and the cytoplasm are divided. (Activity 12B)

During _____ the cell grows and replicates both its organelles and its chromosomes. (Activity 12B)

Nucleoli are present during _____. (Activity 12C)

Cytokinesis often, but not always, accompanies _____. (Activity 12C)

Chromosomes become visible during _____. (Activity 12C)

Centromeres divide and sister chromosomes become full-fledged chromosomes during _____. (Activity 12C)

Spindle fibers attach to kinetochores during _____. (Activity 12C)

Click on the art to see an animation. This animation illustrates the events of _____. (Activity 12C)

Click on the art to see an animation. This animation illustrates the events of _____. (Activity 12C)

Click on the art to see an animation. This animation illustrates the events of _____. (Activity 12C)

Click on the art to see an animation. This animation illustrates the events of _____. (Activity 12C)

Click on the art to see an animation. This animation illustrates the events of _____. (Activity 12C)

Click on the art to see an animation. This animation illustrates the events of _____. (Activity 12C)

Click on the art to see an animation. This animation illustrates the events of _____. (Activity 12C)

During prophase a homologous pair of chromosomes consists of _____. (Activity 12C)

Which of these is NOT a carcinogen? (Activity 12E)