Morgan was the first to demonstrate that genes are located where?
In mitochondria
On chromosomes
Within the nucleus
On cell membranes
Answer
On chromosomes. Genes are the basic physical and functional units of heredity. Genes, which are made up of DNA, act as instructions to make molecules called proteins. In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases. The Human Genome Project has estimated that humans have between 20,000 and 25,000 genes.
Unleashing the Secrets of Genetics: The Thomas Hunt Morgan Quest!
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