Which Methods Did Seymour Benzer Use to Study 20,000 Mutants

question 27

Multiple Choice

Which methods did Seymour Benzer use to study 20,000 mutants of the rII region of the T4 bacteriophage?

• A) intragenic recombination analysis and deletion- mapping analysis only
• B) genetic complementation analysis only
• C) intragenic recombination analysis only
• D) genetic complementation analysis, intragenic recombination analysis, and deletion- mapping analysis
• E) deletion- mapping analysis only

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Definitions:

Canalization

A genetic concept explaining how genotype restrictions lead to predetermined phenotypic outcomes despite environmental variations.

Stunted Growth

A condition in which growth and development are significantly below the normal rates for age, often due to malnutrition or neglect.

Failure To Thrive

A medical and psychological condition typically noticed in infants and children, where they exhibit significantly slower physical development compared to peers, often due to malnutrition, emotional neglect, or underlying health issues.

Proportions

The relative sizes or ratios of parts to a whole or to one another within a whole, commonly used in mathematical, artistic, and design contexts.