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

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

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Recombinant DNA Technology
An example of a restriction fragment length polymorphism is

All of these
an Eco RI cuts DNA at a different sequence than Hind III
different length fragments of DNA resulting from loss or gain of a restriction site
cystic fibrosis results from a three base deletion in most cases but in other cases, other mutations are involved

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

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

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