You Are Given the Task of Restriction-Mapping a Portion of a Chromosome.Given

question 15

Essay

You are given the task of restriction-mapping a portion of a chromosome.Given is a 7.0 kb fragment.You digest the fragment with BamHI and,upon gel electrophoresis,observe a band at 5.0 kb and 1.0 kb.When you digest the fragment with the enzyme HindII,you observe fragment bands at 4 kb and 3 kb.When you digest the 7.0 kb fragment with both enzymes,you observe bands at 3 kb,2 kb,and 1 kb.Based on this information,draw the restriction map of the 7 kb fragment.

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Definitions:

Interference

A cognitive theory that proposes that people forget information because other information learned either before or after interferes with its retrieval.

Retroactive Interference

The phenomenon where newly acquired information interferes with the recall of previously learned information.

Proactive Interference

The phenomenon in which older memories interfere with the recall of newer memories.

Proactive Inhibition

A decrease in learning efficiency or memory performance due to interference from previous or old information that affects the acquisition of new information.