T Point
The diagram below shows the gel electrophoresis results of an eDNA study.
According to the results shown, at which test sites were bighead carp found?
Chicago
Chicago
Calumet
Calumet
Calumet
Positive
North Shore North Shore
site 1
site 2
site 2
control
control
Bighead carp
DNA marker
(300 bp)
O A. Both North Shore sites 1 and 2
O B. Only Calumet site 1
O C. Both Chicago sites 1 and 2
O D. Only Calumet site 2