Question

Transposable genetic elements:
(A) Always effect the cell adversely, because when they move, they inactivate genes.
(B) Are retroviruses.
(C) Provide a mechanism for moving genetic material from organelle genomes to nuclear genome.
(D) Always replicate their DNA when they want.

Answer 1

Hint: A transposable element is a DNA sequence that has the ability to move about inside a genome, occasionally causing or undoing mutations and changing the genetic makeup and genome size of the cell. The same genetic material is duplicated frequently as a result of transposition.

Complete Step by Step Answer:
Repeated DNA sequences known as transposons can transfer (transpose) from one region of the genome to another. Transposon movement can cause mutations, affect gene expression, cause chromosome rearrangements, and increase genome sizes because of an increase in copy number. DNA transposons can be employed as genetic tools to insert an unnatural piece of DNA into a genome. Since these elements typically do not depend on host factors to mediate their mobility, they have been employed for transgenesis and insertional mutagenesis in several organisms. A set of movable genetic elements known as transposons is classified as a DNA sequence. Transposons are sometimes known as jumping genes because they have the ability to move around the genome.
Transposable elements don't always damage genes; occasionally, their insertion can result in the creation of brand-new genes. Similar to retroviruses, retrotransposons lack the genes necessary to produce the viral proteins. Before moving to a different location on the chromosome, DNA transposons do not copy their DNA.
So, option (C) is correct.

Note: Transposons are movable components that can travel around the genome of a plant or an animal. There are two forms of transposons: retrotransposons and what might be called real transposons, such the Ac/Ds and MuDR/Mu maize transposons.