The Roslin Institute team created Dolly by transferring the nuclei of adult sheep cells in to the egg of another female sheep. The egg had its natural nucleus removed by microsurgery. Ones the new nucleus was implanted in to the egg cell it now had a complete set of genes identical to the sheep who donated the nuc

leus. The transplanted egg cells were then cultured for a short period of time and implanted into a female sheep to carry the pregnancy to term. The nuclei of many different adult cells were used in the experiment including mammary gland cells, which were the ones to produce the successful result. The sheep born as a result of the experiment was an exact genetic duplicate, clone, of the sheep donating the adult nucleus. Though other mammals have been cloned before, they were always created form embryonic cells, never a cell of a fully-grown animal. This research also proved that adult animal cells do contain a workable copy of all the genetic material needed to create a whole new animal.

Some common words found in the essay are:
Roslin Institute, Sheep's Clothing, Edinburgh Scotland, human cloning, Ian Willmut, female sheep, roslin institute, ethical issues, cloning research, nuclei adult,
Approximate Word count = 550
Approximate Pages = 2 (250 words per page double spaced)