When Constructing a YAC, Why Must a Large Amount of Random

question 18

Multiple Choice

When constructing a YAC, why must a large amount of random DNA be included?

• A)The random DNA base pairs with DNA in the natural chromosomes of a cell.
• B)YACs that are too small do not segregate properly during mitosis and the random DNA is used as filler.
• C)The random DNA functions as telomeres.
• D)The random DNA contains origins of replication needed for maintenance of the YAC.
• E)The random DNA allows YACs to be used in both eukaryotic and prokaryotic cells.

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