y****e
发帖数: 71 | 1 Sorry, I am doing some work in the lab. I did not mean that there is not
enough direct evidence to support evelution, it just cannot be proved or
dis-proved by traditional experimental approaches in the lab. You can not
make specific hypothesis then carry on experiment to test your hypothesis.
All those things happened thousands or millions years ago, and observe one you
also need to wait for thousands maybe millions of years.
It just like in high energy physics, you cannot see certain short l | y****e
发帖数: 71 | 2 I do not know if I made it clear. Let me give an example. You might know the
alternative theory to evelution, one of them is "Acquired trait can be
inherited". I remember someone did one experiment, he will chop off the tail
of mouse before they mate, and he did it for something like 20 generations.
He found out that the new-born from short-tailed mouse have the same length of
tail on average compared with long-tailed mouse. Conclusion: At least for
tail-length this trait, acquired trait (s |
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