Dolly the Sheep

The video discusses the concept of artificial cloning, highlighting the challenges faced in early attempts, such as birth defects. It focuses on the breakthrough achieved by scientists at the Roslyn Institute in 1997 with the cloning of Dolly the sheep. The process involved transferring the nucleus of an adult sheep cell into an egg cell. Dolly's creation raised ethical concerns due to her premature aging and early death. Despite these issues, the technology has potential applications in medicine, such as producing human proteins in livestock milk and possibly cloning human organs for transplants.

What was one of the initial challenges faced in the early stages of animal cloning?

• Ethical concerns

• Birth defects and early deaths

• Lack of suitable technology

• High cost of cloning

What was the significant achievement announced by the Roslyn Institute in 1997?

• First cloned plant

• First cloned adult animal

• First cloned insect

• First human clone

What was the original codename given to Dolly the sheep?

• D3LL

• 6LL3

• 3LL6

• LL36

What was a notable characteristic of Dolly's lifespan?

• She lived twice as long as an average sheep

• She lived longer than any other cloned animal

• She lived half the lifespan of an average sheep

• She lived exactly the average lifespan of a sheep

How might transgenic sheep be used in the future according to the video?

• To produce more wool

• To improve sheep intelligence

• To clone human organs for transplant

• To increase milk production