denno

Hiya, Asking this for a friend, retired engineer, big IQ and so forth. He subscribes to Scientific American, is interested in the genetics-related articles. But he says his biology education pretty much ended with high school in the early 'sixties, and he needs the ground-up info to understand those articles. (If you remember the 'sixties, no, I am not referring to planaria!) He further says he can't locate this info. Everything he reads seems to assume everyone already knows the relationships among DNA, chromosomes, genes, and cells, for instance. I arrived at this forum by googling "is a strand of DNA the same as a chromosome?" And, having arrived, I am supposing some of you know the right book or online primer, or some such clearly explained source of the basics of molecular genetics. Would take referrals kindly! TIA denno