In the Hershey and Chase Experiment, Why Was the Pellet

question 13

Multiple Choice

In the Hershey and Chase experiment, why was the pellet radioactive after bacteria had been infected with ³²P-labelled viruses and centrifuged?

• A) The bacteria had incorporated radioactive proteins into their cell membranes.
• B) The virus particles had incorporated radioactive proteins from the bacterial DNA.
• C) The bacteria had incorporated radioactive DNA.
• D) The bacteria had incorporated radioactive proteins into their DNA.

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Definitions:

Gene Flow

The transfer of genetic variation from one population to another, which can lead to changes in the genetic composition of populations.

Gene Pools

The complete set of unique alleles within a species or population, representing genetic diversity.

Acquired Characteristics

Traits that are gained by an organism after birth as a result of external influences or its own actions, not inherited genetically.

Lysenko

A controversial figure in the history of Soviet biology, Trofim Lysenko rejected Mendelian genetics in favor of his own agricultural theories, leading to widespread agricultural disaster.