In Addition to Highly Repetitive and Unique DNA Sequences,a Third

question 28

Multiple Choice

In addition to highly repetitive and unique DNA sequences,a third category of DNA sequences exists.What is it called,and what types of elements are involved in it?

• A) composite DNA; telomeres and heterochromatin
• B) dominant DNA; euchromatin and heterochromatin
• C) multiple gene family DNA; hemoglobin and 5.0S RNA
• D) moderately repetitive DNA; SINEs, LINEs, and VNTRs
• E) permissive DNA; centromeres and heterochromatin

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Definitions:

Disease

A condition that disrupts normal physiological functions, often characterized by specific signs and symptoms, and can be caused by factors such as pathogens, genetic mutations, and environmental stress.

Swim Bladders

Air-filled sacs in some fish that help control buoyancy and maintain stability in the water.

Ventilation

The process of moving air in and out of the lungs to exchange oxygen and carbon dioxide.

Diaphragm

A muscle that separates the chest cavity from the abdominal cavity, playing a major role in breathing.