The Technique of Preparing Mitotic Chromosomes Involves a Staining Procedure

question 26

Multiple Choice

The technique of preparing mitotic chromosomes involves a staining procedure using Giemsa stain.In this procedure, chromosomes are first ________ and then exposed to stain, producing ________ in a standard human karyotype.

• A)heated; hundreds of reproducible bands
• B)heated; thousands of reproducible bands
• C)fragmented; hundreds of reproducible bands
• D)fragmented; hundreds of variable bands

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Definitions:

Nasopharynx

The upper part of the throat located behind the nose, forming a passage for airflow from the nasal cavity to the larynx and esophagus.

Laryngopharynx

The part of the pharynx that lies inferior to the epiglottis and extends to the location where the esophagus and trachea diverge.

Oral Cavity

The mouth, an opening in the body where food intake occurs, beginning the process of digestion and housing many taste buds.

Esophagus

The tube that connects the throat (pharynx) with the stomach, transporting swallowed food and liquids.