Recent content by Mary L.

Thank you again, to all who replied. I need time to absorb this information. I also discuss these matters with a friend (by mail-no computer) and may have more and better questions in the future. I am very thankful I came across this forum! Mary L.

This is amazing for the layman. To think that everything living on Earth has the same genetic code is a huge idea to wrap my mind around. As I understand it, all bacteria is not harmful to humans, i.e. the bacteria in the digestive tract. Are humans born with that bacteria? Does that bacteria...

Yggg... amazing info for my little brain :-) Thank you! But, now I have more questions than before, if you are willing. 1. Do all living organisms have the same four bases of DNA (C-T-A-G)? Organisms like bacteria, fungus, plants, animals as well as humans? Is the DNA of bacteria as complex...

Thanks Desh, I haven't had any biology classes. If I have this correct... within a cell nucleus are 46 chromosomes with roughly 100,000 genes that contain about three billion bits of DNA. This is where I get confused - In all that DNA material we have 64 codons; 20 being used or having...

Thank you Jim, for your step-by-step explanation. Also thank you Desh, for your contributions toward my understanding. "These mutant traits appearing in the first generation resulted from certain changes which had been wrought in the configuration and in the chemical constituents of the...

Could someone PLEASE explain in simple language "procedures whereby scientists modify the germ plasm of plants and animals by the use of X rays?" And, how might that effect chromosomes? If you do not know, please advise where I can find this information. I am not a student and this is related...