21.   This could mean that there is something unique about primate eggs that will make cloning monkeys or people far more difficult than cloning other animals.

22.   To clone an animal, take an egg from the ovary of animal X and physically remove its genetic material.

23.   Why, some ask, is the rest of the world so willing to accept the world-shattering claim that an adult animal was cloned?

24.   Zavos and Italian doctor Severino Antinori said they would use techniques similar to those used to clone animals.

25.   Americans are undecided about cloning farm animals, dismiss the notion that some numbers are lucky and believe global warming is a serious problem.

26.   But scientists have cloned several animals, and last fall, researchers announced they had created a human embryo clone to provide stem cells for research.

27.   Larry Agenbroad concedes that cloning the animal is unlikely.

28.   Many attempts to clone animals have ended in failure.

29.   Most attempts to clone animals have ended in failure.

30.   Researchers trying to clone animals have reported that many of their attempts have ended with monster-like creations and premature deaths.

v. + animal >>共 669
kill 5.68%
use 2.77%
keep 2.74%
protect 2.53%
slaughter 2.33%
treat 1.89%
raise 1.75%
bring 1.72%
feed 1.49%
take 1.40%
clone 1.19%
clone + n. >>共 135
human 15.28%
animal 8.13%
sheep 7.14%
embryo 6.15%
calf 3.17%
pig 3.17%
cell 2.98%
baby 2.38%
gene 2.38%
people 2.38%
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