Q: Horizontal gene transfer occurs when one organism receives genetic material from another organism without being a descendant of the organism. Which of the following describes horizontal gene transfer?
A		Cell A is produced by mitosis from Cell B which is produced by mitosis from Cell C. Cell A has genes from Cell C.
B		Cell A is produced by mitosis from Cell B. Cell A has genes from Cell B.
C		Cell A and Cell Z are in different kingdoms. Cell Z inserts genes into Cell A.
D		Cell A and Cell Z are in different kingdoms. The two cells share a gene through ancestral decent.

Prokaryotes | Viruses |