If a Base Analogue Such as 5-Bromouracil Is Used as a Mutagen,how

question 32

Multiple Choice

If a base analogue such as 5-bromouracil is used as a mutagen,how many generations will be required to mutate the codon for proline (CCC) into the codon for alanine (GCC) ?

• A) one generation
• B) two generations
• C) three generations
• D) at least two,but perhaps more due to chance
• E) it will not occur

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Definitions:

DNA Replication

The biological process of producing two identical replicas of DNA from one original DNA molecule, critical for cell division and growth.

Parental Strand

The original DNA strand that serves as a template for the synthesis of a new complementary strand during DNA replication.

Newly Synthesized Strand

Refers to a fresh sequence of DNA or RNA that has been created during the process of cell replication or transcription.

Sister Chromatid

One of two identical halves of a duplicated chromosome, joined together at a structure called the centromere before they are separated during cell division.