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Which One of the Following Statements Is Correct

question 32

Multiple Choice

Which one of the following statements is correct?


Definitions:

Locus

The specific physical location of a gene or DNA sequence on a chromosome, critical for genetic identity and inheritance patterns.

Nondisjunction

The failure of chromosomes to separate properly during cell division, leading to cells with abnormal chromosome numbers.

Point Mutation

A genetic mutation where a single nucleotide base is changed, inserted, or deleted from a sequence of DNA or RNA.

Aneuploidy

The presence of an abnormal number of chromosomes in a cell, leading to genetic syndromes like Down syndrome due to an extra chromosome or Turner syndrome due to a missing chromosome.

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