False as nucleus of every cell in the body do not contains the genes for making every type of body protein. DNA that is packaged in a cell nucleus does not exist in every cell in the human body. In particular, mature red blood cells lack a nucleus, as do cornified cells in the skin, hair, and nails. Nuclear DNA is not found in mature hair cells.
What are genes ?
The fundamental structural and operational component of heredity is a gene. DNA is the component of genes. Some genes serve as blueprints for the synthesis of proteins. Many genes do not, however, code for proteins. A few hundred DNA bases to more than 2 million bases make up a gene in a human.
False as nucleus of every cell in the body do not contains the genes for making every type of body protein. DNA that is packaged in a cell nucleus does not exist in every cell in the human body. In particular, mature red blood cells lack a nucleus, as do cornified cells in the skin, hair, and nails. Nuclear DNA is not found in mature hair cells.
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