Evidence suggest that clones may age prematurely. Also, at this point, cloning is very expensive and not necessarily successful. The failure rate is pretty high, in fact. Also, cloning is often done to preserve some useful trait, and not all such traits are directly genetic. A clone will be (barring damage/mutation) genetically identical to its … Read more

It is *remotely* possible. Sometimes the O allele can mutate to one of the other blood types. It is far more likely, however, that one of your parents is type A or type AB.

The underside of the leaf, in most plants, is shaded. A shaded area is cooler, and so less water will evaporate from it. Most plants have a somewhat limited water supply available.

Yes, though there is the possibility of problems if you get pregnant. Since you are RH negative, your immune system will react to your child if he/she/it is RH positive. There are treatments, but it is a factor you need to be aware of *before* your body rejects the fetus. I don't believe there are … Read more