Which Statement About Transposons Is INCORRECT

question 18

Multiple Choice

Which statement about transposons is INCORRECT?

• A) Transposon insertion into a gene causes a mutation that can be reversed by removal of the transposon.
• B) A transposon is a small fragment of DNA that can move from one location in a chromosome to another location in the same chromosome.
• C) Transposon movement often occurs when the cell is under genomic stress.
• D) In nature, insertion of a transposon can be deliberately added into a harmful gene to enhance survival.
• E) Molecular geneticists can use transposons to determine the function of a particular gene

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Definitions:

Apomixis

Apomixis is a form of asexual reproduction that allows plants to produce seeds without fertilization, leading to offspring genetically identical to the parent.

Scarification

A process of weakening the outer coat of seeds to encourage germination, can be chemical, mechanical, or thermal.

Imbibition

Imbibition is the process of absorption of water by substances, causing them to swell without dissolving, critically initiating seed germination.

Vernalization

The process by which exposure to cold temperatures for a certain length of time induces a plant to flower.