(A) FISH produces a fluorescent signal (red) at the sites of a specific DNA sequence; in this case, a 150-kb segment of chromosome 1. (B) Several probes, each corresponding to a defined genomic ...

In fact, the technique used in Jurassic Park – extracting blood from a mosquito and taking the DNA from that to fill in the ...

Gars are the ultimate living fossils, having changed at an incredibly slow pace since their ancestors emerged during the dinosaur age 150 ... means these prehistoric fish have the slowest rate ...