Which of the Following Is Not a Likely Outcome of Gene

question 8

Multiple Choice

Which of the following is not a likely outcome of gene duplication?

• A) Expression of one copy of the gene in a different pattern from that of the original gene
• B) Mutations leading to acquisition of a novel function in one copy of the gene
• C) Mutations leading to loss of function of one copy of the gene
• D) Mutations leading to loss of function of both copies of the gene
• E) None of the above

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Definitions:

Telolecithal Eggs

Eggs containing a large amount of yolk concentrated at one pole, common in birds, reptiles, and some fish.

Notochord

A flexible rod-like structure that forms the main support of the body in all embryonic and some adult chordate animals.

Neural Plate

A key embryonic structure that develops into the nervous system, including the brain and spinal cord.

Extraembryonic Membrane

Membranes formed outside the embryo that play essential roles in its development, including the amnion, yolk sac, allantois, and chorion.