1. Cloning
In 1952, a significant event occurred, Robert Briggs and Thomas King cloned northern leopard frog using nuclear transfer. ... In 1962, John Gurdon claimed to have cloned frogs from adult cells. ... "Dennis Smith pointed out that there were some undifferentiated sex cells in the intestines of South African frogs, so the tadpoles Gurdon cloned may very well be cloned from those undifferentiated cells."" ...
- Word Count: 1955
- Approx Pages: 8
- Grade Level: High School