Question

Tobacco products have been identified has 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


tobacco use only causes benign tumors that are identified as non-cancerous

Hemophilia is an x-linked recessive disease.

Answer 1

Hemophilia is an x-linked recessive disease. Under which of the following conditions will a female child inherit hemophilia?

Both parents must have the hemophilia allele.

Only the father must have the hemophilia allele.

Both sets of grandparents must have the hemophilia allele.

Only the mother must have the hemophilia allele.

Answer 2

crap...im not to much into biology...i know basic biology D:

Answer 3

oh ok

Answer 4

For your 1st question, the answer's B.) some people are more predisposed to developing cancer when exposed to mutagens.

Answer 5

What was the second answer?