(this is for a project at school, but i can't find the answers anywhere else!)
202009
No, sickle cell is a disease the people are born with.  It only occurs in African Americans or people of African American decent.\n\nHere is a page that makes it easy to understand...\n\nhttp://kidshealth.org/teen/diseases_conditions/blood/sickle_cell_anemia.html
627912
http://www.classontheweb.com/\nPlease visit the above site. It will solve ur homework problem.
234438
If you can't do your own homework, can't you at least use a web search engine to find what you're looking for?  You would've found this, amongst other sources:\n\nhttp://tinyurl.com/nkrme
217901
I didn't find a specific answer, but here are a couple of links that might help.\n\nBest of Luck
457978
I find that if you go to www.webmd.com and ask this questions they are pretty helpful. I use that site often. That is a really interesting question and email me and let me know the answer too. Lol!
152191
If you click the link below, you will find some explanations!\n\nGood luck,\nTiff
650934
try this web site hope that explains it
48686
Here are some web sites.  Also, I listed the link to a search I conducted. Hope this helps.
565853
www.howstuffworks.com\nu may find somethin
404663
The site below may give you some specifics, it also has lots of links to other sites........:D
13202
The above answer is a great answer that got lost in limbo because the asker never chose it as best, and because it was the only answer, it never went to a vote. I'm forcing it to a vote and asking you to vote for it as the best answer. Let's reward those who take the time to give thoughtful answers!\n\nJennyinJamaica
592801
Have you tried going to wikipedia.com. That may help you with your search. They may have references and links to other places you can go if that's not enough info.
23293
i really liked this question ... \n\nhope the link will help you
98844
I can provide a site that i found.\n\nHope it helps!
271664
Here is a great article with sample problems.\n\nHope this helps!
253330
I hope this gives you a good start!  The last link has a lot of other links that are not already listed.\n\nGood luck!
21761
I started to write a simple answer, but there really is not a simple answer.  Try the sites listed below and see if one makes any sense to you: