In Five Hfr Strains, Each of Which Was Used to Build

question 21

Multiple Choice

In five Hfr strains, each of which was used to build a time-of-entry map, the genes entered the recipient cells as follows: Strain 1: S L A C T F
Strain 2: N P F T C A
Strain 3: T F P N U Y
Strain 4: S H Y U N P
Strain 5: U N P F T C
Which of the following represents a correct compilation of these results?

• A)S L A C T F P N H C U
• B)N P F T S L A C H U T
• C)T C A L S P N U Y H
• D)U N P F T C A L S T F
• E)S L A C T F P N U Y H

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