the distance between genes on the same chromosome is the answer for sure
some one celled organisms reproduces by binary fission which is a process of cell division. The answer is 4.
The selective pairing of adenine (A) with thymine (T) and guanine (G) with cytosine (C) is based on the number of hydrogen bonds established between one of the purine bases and the one pyrimidine bases
Photons from light and electrons traveling through the photosystems