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Recombinant DNA Technology

Recombinant DNA Technology
X-rays cause

ionization of water in the cell
heat
None of these
the formation of thymine dimers

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Recombinant DNA Technology
Why is golden rice pale yellow in color?

It is rich in chlorophyll a.
It is rich in beta-carotene.
It is rich in chlorophyll b.
It is rich in phycobilins.

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Recombinant DNA Technology
The transfer of antibiotic-resistant genes from genetically engineered bacteria to disease-causing bacteria __________ .

can never occur
seems unlikely
has occurred
would be of no concern if it occurred.

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Recombinant DNA Technology
Which of the following is not true of small inbreeding populations?

Mutation is increased
They tend to loose genetic diversity
There is an increased incidence of recessive diseases
Alleles may become fixed

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

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

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

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

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