Biology (Raven), 9th Edition

Chapter 18: Genomics

Pre-Test

1
Imagine an entire chromosome of a creature was cut with several restriction digests to create a series of overlapping fragments. These were used to create a giant physical map using restriction mapping techniques. This process is repeated and then used to put the pieces back together. How many contigs would you find when it was completed?
A)One
B)Two
C)Three
D)Four
E)It can't be determined from the information given
2
Which of these have been used to store DNA for use in sequencing?
A)BACs
B)YACs
C)Plasmids
D)1 and 2 only
E)All of the above.
3
Regions of chromosomes that are not being exchanged by recombination are called
A)promoters.
B)phenotypes.
C)haplotypes.
D)SNPs
E)RFLPs
4
In the construction of physical maps, the technique of _____ is used to separate fragments.
A)Gel Electrophoresis
B)Sedimentation
C)Thin-layer Chromatography
D)Mass Spectrophotometry
E)Centrifugation
5
The artificial chromosome most commonly used now is
A)SSR.
B)BAC.
C)STS.
D)EST.
E)YAC.
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