Question

researchers want to use edna to look for an invasive species in a waterway. which of these steps should they do first? a. cut dna into small pieces. b. compare samples with a control. c. collect samples of water. d. sort dna into bands on a gel.

Answer 1

the first step is

c. collect samples of water

Step-by-step explanation:

without a sample the researcher can do nothing.

Answer 2

C. Researchers should first collect samples of water.

Step-by-step explanation:

eDNA or environmental DNA is a technique that allows us to find DNA from the environment, rather than collecting living organisms. In this case, for analysis of species in a waterway we need to collect water first to later do the laboratory work.