A Chromosome Formed When Parts of Two or More Chromosomes

question 2

Multiple Choice

A chromosome formed when parts of two or more chromosomes are joined to a third normal chromosome is called a(n) :

• A) Ring chromosome
• B) Isochromosome
• C) Derivative chromosome
• D) Balanced translocation

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Definitions:

Eardrum

A thin membrane that separates the outer ear from the middle ear and vibrates in response to sound waves.

Oval Window

A membrane-covered opening that leads from the middle ear to the inner ear, transmitting vibrations from the eardrum to the cochlea.

Cochlea

A spiral-shaped, fluid-filled inner ear structure that is essential for hearing; it translates sound vibrations into nerve impulses.

Blind Spot

A location in the visual field that corresponds to the lack of light-detecting photoreceptor cells on the optic disc of the retina, leading to a gap in the field of vision.