Summary: 1
CLASS 1.2: 01/23/07
THE CONCEPT OF THE GENE:
A. Genes and Alleles:
1. Introduction
- Gene is a
- Gene is a sequence within the genome that
- In dipolid organisms there are two copies of each
gene =
- Can have 2 (slightly different) sequences
- A gene resides at a specific place on a chromosome
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2. Genes encode RNA or polypeptide products
- Old concept of gene =
- Many proteins are composed of different subunits
- Each polypeptide subunit
- Newer concept =
- Many RNAs have functions by themselves
3. Genes are often defined based on mutations/phenotype
- Phenotype =

Source: Andres, Andrew - School of Life Sciences, University of Nevada at Las Vegas

Collections: Biology and Medicine