Molecular Genetics

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Chromosomes are heritable carriers of genetic information. In this first of three sections of the molecular genetics webtext, we explore chromosomes and their replication and segregation.

• Our concept of chromosomes has three distinct sources.
• The three concepts of chromosomes have been interrelated experimentally to provide a unified concept of a chromosome.
• Chromosome replication is crucial to the perpetuation of genetic information.

Other sections of the webtext explore

• how information in chromosomes is expressed and
• how chromosomes change.