Tobacco products have been identified as mutagens. However, some tobacco users develop cancer and some do not. The reason for this apparent inconsistency is...

mutagens only have the capability to cause mutations if exposure lasts over 20 years

some people are more predisposed to developing cancer when exposed to mutagens

not all tobacco products are cancerous

not all tobacco products are cancerous

Question

Tobacco products have been identified as mutagens. However, some tobacco users develop cancer and some do not. The reason for this apparent inconsistency is...

mutagens only have the capability to cause mutations if exposure lasts over 20 years

some people are more predisposed to developing cancer when exposed to mutagens

not all tobacco products are cancerous

not all tobacco products are cancerous

anonymous · Answer

@Ahmedsamier

anonymous · Answer

some people are more predisposed to developing cancer when exposed to mutagens

i think this is the right one

anonymous · Answer

I was thinking the same thing but i wasnt sure and still not sure what "predisposed" means

anonymous · Answer

i think it means the ability of DNA to be mutated with this mutation 
my english still not good :\

anonymous · Answer

I suck at biology but, English and Spanish i excelled in.

anonymous · Answer

B. the answer is B

anonymous · Answer

Predisposed, means having a natural tendency towards something.  You might say that a child is "predisposed" to having fits of anger because they have yet to learn how to control their emotions and behavior.