Stain DNA from fruit fly salivary glands and examine the DNA tightly coiled into chromosomes under a microscope. Giant Chromosomes is part of Cell Labs. The Cell Lab is a hands-on wet biology lab located in the Human Body Gallery.
Recognize that cells contain genes and that each gene carries a single unit of information that either alone, or with other genes, determines the inherited traits of an organism.
Explain the relationships among DNA, genes and chromosomes.
Explain how societal and scientific ethics impact research practices. For example: Research involving human subjects may be conducted only with the informed consent of the subjects.