Why is everyone a unique individual?(5.0)
A. Because the difference of 0.1% between people equals about 3 million difference at the genetic level.
Because the difference of 0.2% between people equals about 2 million difference at the genetic level.
C. Because the difference of 0.3% between people equals about 4 million difference at the genetic level.
D. Because the difference of 99.9% between people equals about 1 million difference at the genetic level.
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What is the solid proof of the truth of the theory of evolution?(5.0)
A. 98% of our genetic sequence is shared by the chimpanzees.
B. 99% of our genetic sequence is shared by the chimpanzees.
C. 97% of our genetic sequence is shared by the chimpanzees.
D. 96% of our genetic sequence is shared by the chimpanzees.
Genetic testing is now available in many countries because_________________________________.(5.0)
A mother wants to know the potential disease about her unborn child.
B. A potential heart disease patient can make better choices of healthy lifestytle.
C. An employer wants to get more private genetic information about the employee.
D. Both A & B.
Why did Ron and Ben love summer in their childhood?(5.0)
A. Because they were fed up with the long, grey, rainy days of the winter.
Because they were disappointed with the spring.
C. Because they loved ice cream in the summer.
D. Both A and B.
Did Ben really want to enter the dark tunnel when reading the warning sign "keep out" on the gate?(5.0)
A. Yes, he did.
B. No, he didn't.
C. The story doesn't mention that.
D. He was not sure at that moment.
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