The day the world saw the first cloned sheep – level 1

22-02-1997

Dolly is a sheep. She is born on July 5, 1996. She isn’t a normal sheep. She is special. This is because she is an exact copy of another sheep.

Scientists in Scotland make Dolly. They use a special method. This method is new. This method is very difficult. The scientists make many attempts. 276 attempts aren’t successful, but attempt 277 is successful. A healthy sheep is born.

The scientists help Dolly to grow. But they don’t speak about her. They wait for half a year.

Then, On February 22, 1997, journalists come to Scotland. The scientists tell them about Dolly. It is a very important moment in history.

Difficult words: attempt (a moment when you try to do something), successful (very good), grow (to be bigger).

How did the scientists overcome the challenges of using a new, difficult method—marked by 276 failed attempts before success—and why was the visit by journalists on February 22, 1997, such a significant moment in history?

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