In a Genetic Cross Between Two Bacteriophage T4 RII Mutants,r⁺

question 42

Multiple Choice

In a genetic cross between two bacteriophage T4 rII mutants,r⁺ recombinants are produced.The genetic changes in these two rII mutants must be

• A)heterozygous.
• B)heteroallelic.
• C)homozygous.
• D)homoallelic.
• E)polymorphic.

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