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

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

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Recombinant DNA Technology
Knockout mice are created by

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

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Recombinant DNA Technology
Which of the following is correct in terms of determination of location of genetic traits?

Restriction sites allow DNAs to be digested
None of these
Known protein coding sequences are too far apart to allow linkage determination for most new genes
Protein-coding genes are always associated with a restriction pattern

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