Topics: Cell Division Quiz
Crossing over helps promoteÂ
A. male genotype
B. genetic variation
C. DNA replication
D. mitosis
Select your answer:

Topics:
Circulatory and Respiratory System Stimuli and Responses in Humans Who am Eye? A Treat For Mosquitoes Movement Lymphatic System Human Anatomy and Physiology Cell - Fundamental Unit of Life Biology Digestive System and Nutrition Cardiorespiratory Endurance Transportation Skeletal System Heart Kidney - Loop of HenléOther quiz:
Muscle Anatomy › View___ and ___ are regulatory proteins bound to actin.
A. Myosin and actin
B. Glycogen and hemoglobin
C. Calcium and oxygen
D. Troponin and tropomyosin
Human Body › View
The lifespan of WBC is:-
A. 3-4 weeks
B. 10-12 weeks
C. 2-3 weeks
D. 13 days