microBloom7

Well it depends on what you mean by "group". Bacteria, like all other living things can be grouped into Phylum, Class, Family, Genus, and species. Most commonly scientists refer to the Genus of bacteria like Micrococcus, Staphylococcus, Bacillus, Escherichia... but if you'd like to know groups based on their shape, then there are two main kinds: cocci which are circular, and bacilli which are rod shaped. There are of course other shapes like spiral, curved, stalked... I hope this has helped.

I would like to say that I agree with iNow and would like to add that by changing a species' chromosome number in any way would usually be deleterious and that individual will most likely not be able to function any longer. On the subject of evolution - I have read "The Beak of the Finch" and I think the most important point I drew out of that book is that just because we don't see evolution happening doesn't mean that it is not. What we need to do is observe more closely and we will see constant change within a population. An example of the change I'm talking about is that they have discovered a group of monkey's (I forget which species and where) to have started implementing learned behavior from each other. Specifically, on monkey would pick up food from the ground, cup it in its hand, and submerge it underwater to get the dirt off. Later it was observed that other monkeys within the group began to do the same thing. I think that is some evidence of evolution.

Well I've looked on Wikipedia and it only gave me one source (I think in a different language) from 1963, however, I did come across Pubmed, an online database, which gave me more recent articles. If you'd like to check it out it has some interesting articles.

I am looking for research as well as general information. Thank you, I will look at those links.

Hey everyone, I'm not finding a good amount of resources/papers/etc. on the genetic disorder "Cri du Chat". Can anyone point to some good articles/websites etc. or post some general information on it? I appreciate any help you have to offer. Many thanks!