Over the last century, medicine has come out of the" black bag" and emerged as one of the
most dynamic and advanced fields of development in science and technology. Today …

Cloning animals by nuclear transfer provides the opportunity to preserve endangered
mammalian species. However, there are risks associated with the collection of donor cells …

Although animal cloning is becoming increasingly practicable, cloned embryos possess
many abnormalities and so there has been a low success rate for producing live animals …