When a Crossover Occurs Within the Inversion Loop of a Pericentric

question 18

Multiple Choice

When a crossover occurs within the inversion loop of a pericentric inversion each recombinant chromatid will have

• A)a dicentric bridge.
• B)no duplications.
• C)a deletion of some genes in the inverted region.
• D)no mutations

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Definitions:

Contradictory Information

Information that is in direct opposition to other information, creating a situation where both pieces cannot simultaneously be true.

Taste Buds

Sensory organs on the tongue responsible for perceiving different flavors such as sweet, sour, bitter, and salty.

Olfactory Cells

Specialized sensory cells located in the nasal cavity responsible for detecting odors, critical in the perception of smell.

Presbycusis

Age-related, gradual loss of hearing, which accelerates after age 55, especially with regard to sounds at higher frequencies.