Multiple Choice
Which of the following statements correctly describes one difference between vertical and horizontal transmission of plant viruses?
A) Vertical transmission is transmission of a virus from a parent plant to its progeny,and horizontal transmission is one plant spreading the virus to another plant.
B) Vertical transmission is the spread of viruses from the upper leaves to the lower leaves of the plant,and horizontal transmission is the spread of a virus among leaves at the same general level.
C) Vertical transmission is the spread of viruses from trees and tall plants to bushes and other smaller plants,and horizontal transmission is the spread of viruses among plants of similar size.
D) Vertical transmission is the transfer of DNA from one type of plant virus to another,and horizontal transmission is the exchange of DNA between two plant viruses of the same type.
Correct Answer:

Verified
Correct Answer:
Verified
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