Imagine That a Toll-Like Receptor (TLR)gene Has Duplicated and Mutated,creating

question 9

Multiple Choice

Imagine that a Toll-like receptor (TLR) gene has duplicated and mutated,creating a leucine-rich region binding pocket that can now bind to the hemagglutinin protein in the envelope of influenza virus.What do you predict will happen to this novel gene?

• A)It will be selected for and over evolutionary time will become an even better receptor for HA protein.
• B)It will spread from species to species.
• C)It will undergo VDJ rearrangement.
• D)It will continue to mutate,perhaps changing to bind other proteins or becoming deleted.

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Definitions:

Fetal Cells

Cells that make up the developing fetus in the womb, which possess the ability to divide and specialize into various cell types.

Defective Conditions

Situations or items that are flawed, damaged, or not functioning as intended, often requiring repair or replacement.

Chorionic Villus Sampling

A prenatal test involving the sampling of chorionic villi to test for chromosomal abnormalities in the fetus.

Amniocentesis

A medical procedure used in prenatal diagnosis to sample amniotic fluid using a needle inserted into the uterus, for the testing of chromosomal abnormalities and fetal infections.