Recombinant DNA Technology
In gel electrophoresis, DNA molecules migrate from __________ to __________ ends of the gel.

positive to negative
long ... short
negative ... positive
basic ... acidic

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Recombinant DNA Technology
Knockout mice are created by

mutagenizing a mouse and selecting for mutant offspring
transfecting embryonic stem cells with an altered gene sequence
creating a chimera by fusing cells from two different cell lines
infecting the mouse with a retrovirus

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