The Size of the Opening for Light Coming into the Eye

question 84

Multiple Choice

The size of the opening for light coming into the eye is regulated by

• A)corneA.
• B)pupil.
• C)iris.
• D)cone.
• E)lens.

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Definitions:

Human Genome

The complete set of nucleic acid sequences for humans, encoded as DNA within the 23 chromosome pairs in the nucleus, and in a small DNA molecule found within individual mitochondria.

Regulator Genes

Genes that control the expression of one or more other genes, governing the amount of protein or RNA product that is made.

STR

Short Tandem Repeats, sequences of DNA where a series of two to six nucleotides is repeated, used in genetic profiling.

DNA Fingerprinting

A technique used to identify individuals based on unique patterns in their DNA, often utilized in forensic science to solve crimes or in paternity testing.