Please Read the Following Scenario to Answer the Following Questions

question 19

Multiple Choice

Please read the following scenario to answer the following questions.
While working with cultured mouse cells,a researcher unknowingly treated the cells with a mutagen that causes the deletion or insertion of individual nucleotides in DNA.Subsequently,the researcher isolated and cultured a single cell from this group and noticed that the progeny of this cell were not producing a certain protein and that this affected their survival.
-The mutation would be most harmful to the cells if it resulted in ________.

• A)a single nucleotide insertion near the start of the coding sequence
• B)a single nucleotide deletion near the end of the coding sequence
• C)a single nucleotide in the middle of an intron
• D)deletion of a triplet near the middle of the gene

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Definitions:

Migrants

Individuals who move from one region or country to another, often for reasons such as employment, education, or safety.

Genetic Components

Refers to the elements of an individual's genetic makeup that contribute to particular traits or disease risks.

Environmental Factors

External elements that can affect the health or behavior of individuals, including natural and built environments.

Concordance Rate

The probability that two individuals with a shared genetic background will both exhibit a specific trait or disease.