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Biology 18 Online
OpenStudy (anonymous):

Scientists use this method to turn off genes that cause defects natural selection gene manipulation genetic engineering cloning

OpenStudy (anonymous):

A?

pooja195 (pooja195):

no thats not right that means to choose something and mate it try again

OpenStudy (anonymous):

oh ok so then... C?

pooja195 (pooja195):

nope close though :)

OpenStudy (anonymous):

B

pooja195 (pooja195):

well done :)

OpenStudy (anonymous):

haha :T thankyou sooo much

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