Shown Below Are the Deletion Maps of a Series of RII^-

question 54

Multiple Choice

Shown below are the deletion maps of a series of rII^- mutations.The deleted region is indicated as (......) and the intact region as ______.Note that strain 5 carries two different deletions.1 ___________(...........) _______________ 2 _________________(...........) _________
3 () ....................) _____________________
4 ________________________(................)
5 _____(..........) ________________(.........)
A series of point mutations A E is used in a coinfection experiment.Shown below are the results of those coinfections.Ability to produce wild-type progeny phage is indicated by (+) , and (o) indicates no wild-type progeny. Indicate the order that is most consistent with these data.

• A)CADBE
• B)DEBAC
• C)BADCE
• D)ABDEC
• E)CEADB

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