Answer:
I think it is A
Explanation:
The other ones appear to be all true. And they would not be able to know if Raptors had feathers if fossils only formed from the hard part of the animal.
Answer: A change in the sequence of amino acids determined by the gene
Explanation:
Gel electrophoresis is one simple and cheap laboratory technique used in profiling. In this case, it can be used to identify Great White Sharks using their proteins or DNA. This way, even if the fish is completely mutilated into the meat, the species can still be identified helping policies to be enforced.
DNA or proteins of a sample of suspected meat is processed and passed through gel electrophoresis. The bands that form are then compared with a standard to check if the bands match. A match indicates that the meat is from a Great White Shark.
