Is it possible that your blood group changes naturally?
--> I know a guy who was typed at birth as A+, just like his mother. Somewhere between 18 and 19, he was typed as O -, just as his grandfather. When he inquired to the Red Cross as to how his blood type could have changed, they told him that quite often at birth babies still have enough mother blood running through them that they are typed same as mother (as that guy was), but later in life may be typed differently. ############################## The only change to bloodtype that can occur is a switch from Negative (-) blood to Positive (+) blood. This is due to the development of antibodies to the + bloodtype. This process cannot be reversed however, going from Positive (+) to Negative (-). The process is most common in pregnant women or new mothers, when the fetus carries Positive, and the mother Negative. In the event the baby carries Negative, and the mother carries Positive, a medical injection is required to prevent the mother's immune system from attacking the fetus. ############################## There is one possible way for a person to change blood type—but not spontaneously—and it requires a major medical procedure known as bone marrow transplantation. The molecules responsible for blood type are specialized sugar molecules that dot the surface of red blood cells, as well as other cells in the body. Normally, a blood transfusion between individuals with mismatched blood types would result in destruction of the donor red blood cells by the immune system of the person receiving the blood transfusion. The situation is a bit different in a bone marrow transplant, where the entire bone marrow is killed off by drugs. The bone marrow is then replaced by the donor bone marrow cells. This is a bit complicated because there are many genes (called histocompatibility genes) and proteins that need to be matched between donor and recipient in order for the transplant to be successful. For reasons that aren't fully understood, different blood types between donor and recipient do not have a major effect on whether the transplant is successful or not, and a successful transplant between those with mismatched blood types effectively changes the recipient's blood type. This happens in between 20% and 30% of those receiving therapeutic bone marrow transplantation.
Can I change my background color on my yahoo groups. I've seen it on a few groups and would like to know how
Click on the Management link then on Description and Appearance. At the bottom of the page where it reads "Colors and Photo" click on Edit. Choose "Custom" on this page and click Edit. From there you will be able to customize all colors, including background, header, tabs, borders, the left column and highlight colors.
I just created a yahoo group but I cant see it on my groups list?
Hope the following will help you: "It’ll get listed in the Yahoo! Groups directory within a few days, in the category that you select during the set-up process. Occasionally, our team of category editors comes across groups they feel have been miscategorized, and if this happens with your group, we’ll let you know."