Dolly the sheep - the first cloned mammal презентация

Scottish, and six months later in February 1997, this event shocked the whole world - Dolly was cloned from breast cells 6-year-old adult sheep by transferring the nucleus of the cell.

in the fifties of the last century, when by transplanting the nucleus of the cell tadpole in the calf was obtained by a new tadpole, that is fundamentally the possibility of cloning cells has already been proven.

core

Breast cell

introduction of the donor nucleus

Donor

донор

a father, but has three mothers. The sheep that gave its genetic material, the sheep that took the egg, and the sheep that received the famous lamb.

Wilmuth and Kate Campbell at the Roslyn Institute in Scotland near Edinburgh in 1996.

is increasingly used in cloning goats, mice and calves (survives about 3%).

of science. She lived 6.5 years as an ordinary sheep and left behind 6 lambs. Dolly was put to sleep in 2003 due to discovered diseases and her stuffed animal was exhibited at the Royal Museum of Scotland.

the treatment of diseases characterized by significant tissue damage (strokes, paralysis, diabetes, heart attack, the consequences of injuries and burns).

2. The cultivation of stem cells of organs that do not cause rejection.

4. The creation of highly productive herds of farm animals.

3. The attainment of children of infertile families.

5. Restoration of extinct species and preservation of rare ones.