Horizontal gene transfer
A. is rare and only occurs between closely related strains.
B. is common and may sometime occur between unrelated organisms.
C. does not provide an advantage to organisms.
D. only occurs in prokaryotes.
Answer:B
Horizontal gene transfer
A. is rare and only occurs between closely related strains. B. is common and may sometime occur between unrelated organisms. C. does not provide an advantage to organisms. D. only occurs in prokaryotes.