Question

1. Cancer is a genetic disease in that it can be traced to alterations within specific genes, but, in most cases, it is not an inherited disease. Why is that the case?

A. The genetic alterations in most cancers arise mostly in the DNA of somatic cells.

B. The genetic alterations in most cancers are usually introduced by bacteria.

C. The genetic alterations in most cancers arise mostly in sperm cells.

D. The genetic alterations in most cancers arise mostly in egg cells.

2. How do cancer cells differ from normal cells in their capacity for cell division?

A. Cancer cells do not have active telomerase.

B. Normal cells have a limited capacity for cell division; cancer cells are seemingly immortal.

C. Cancer cells have a limited capacity for cell division; normal cells are seemingly immortal.

D. All cancer cells move around more than do all normal cells.

Explain why please!!!

Answer 1

Q1. (A) is the correct answer.

Cancer is a genetic disorder therein it is often traced to alterations within specific genes, but, in most cases, it's not a genetic disease because the genetic alterations in most cancers arise mostly in the DNA of somatic cells in the life time of a person

Q2. (B) is the correct answer.

cancer cells differ from normal cells in their capacity for cell division in a way that normal cells have a limited capacity for cell division; cancer cells are seemingly immortal and cancer cells lose the property known as contact inhibition hence it grows uncontrollably.

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