Which one of the following characteristics most reasonably indicates that two microorganisms are closely related?
A)Both are cocci.
B)Both ferment lactose.
C)Their DNA can hybridize together.
D)Both normally live in clams.
E)Both are motile.

Question

Quizplus · Accepted Answer

The DNA of closely related microorganisms will be more similar and therefore will be able to hybridize together more easily. The other characteristics listed are not necessarily indicative of close relationship - two microorganisms could share the same shape, metabolic function, habitat or ability to move independently without being closely related.

Which One of the Following Characteristics Most Reasonably Indicates That