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You have isolated DNA from three different cell types of an organism, determined the relative DNA content for each type, and plotted the results on the graph shown in Figure 13.3. Refer to the graph to answer the following questions.
Figure 13.3
-Which sample of DNA might be from a nerve cell arrested in G₀ of the cell cycle?
Gonads
The sex glands in animals and humans (ovaries in females and testes in males) that produce sex cells and hormones.
Polygenic
Pertaining to a trait or characteristic that is influenced by several genes rather than a single gene.
Genes
The basic physical and functional units of heredity, made up of DNA, that determine the characteristics and traits of organisms.
Genotype
The genetic constitution of an individual organism, comprising all the hereditary information.
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