Did more people have cancer in the past such as 1 A.D -1000A.D? What do you think is causing the increase in cancer rates today? Is it due to our own advancements?

Smoking Effects

A. causes cells to devide at a right angle from their usual orientation.
B.interferes with cellular meiosis.
C. prevents sister chromatids from separating at anaphase.
D. prevents tetrad formation
E. prevents crossing over.

Lung Cancer