Recombinant DNA Technology
Under which of the following conditions would population gene frequencies remain the same?

Active migration between groups
Selection for homozygotes
Small population size
Random mating

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Recombinant DNA Technology
Isoschizomers recognize

different recognition site and different recognition sequence
same recognition sequence but different recognition site
same recognition site and different recognition sequence
same recognition site and recognition sequence

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Recombinant DNA Technology
Knockout mice are created by

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

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