In his work with pneumonia-causing bacteria, frederick griffith found that a non-pathogenic strain had been transformed into a pathogenic strain. which of the following explanations best describes the phenomenon of transformation?
a. it refers to transfer of genetic material between bacteria through direct cell to cell contact. b. it refers to introduction of genetic material into animal cells. c. it refers to genetic material taken up from the environment through bacterial cell walls.

The correct answer will be option-C

Explanation:

Transformation is a process of horizontal transfer of DNA transfer in bacteria.

The process involves the uptake of the genetic material from the surrounding environment by the bacteria by becoming competent. This bacterial competency is achieved by the changes or modification in the bacterial cell wall which allow the intake of the genetic material.

The genetic material binds to the bacterial chromosome through homologous recombination.

Thus, option- C is the correct answer.

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