DNA was isolated from water samples taken from six different sites. This gel was made to determine where silver carp are found.
1 2 3 4 5 6 7 8
1. North Shore Site 1
2. North Shore Site 2
3. Chicago Site 1
4. Chicago Site 2
5. Calumet Site 1
6. Calumet Site 2
7. Negative Control
8. Positive Control
The results of the eDNA analysis for silver carp,
How do scientists know silver carp are at North Shore site 1 (lane 1)?
A. One of the bands in lane 1 matches a band in lane 2.
B. One of the bands in lane 1 matches a band in the negative control.
C. One of the bands in lane 1 matches a band in the positive control.
D. None of the bands in lane 1 matches a band in either control.