ANT101H5 Lecture Notes - Cell Nucleus, Mitosis, Meiosis
28 Nov 2013
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Regulatory genes produce proteins for other genes. They influence other genes in the production of their own proteins. Mutation a change in dna (technically speaking). It"s either a change in the sequence of base or a change in the structure and number of chromosomes as well. Genes & mutations are important because they are behind the production of proteins which are the at the core of functions behind an organism. Proteins influence communication systems in an organism and they affect the regulation of systems within an organism. **all somatic cells in all organism so to speak have the same genetic information. Regulatory genes send information to particular parts of the dna to do their job. The 23rd pair of chromosomes always determines sex. In humans females will have 2 x chromosomes where a male will have 1 x and 1 y chromosome, Go back to what chromosomes are: basic cellular structures. They are dna wrapped around protein in one aspect.
