PSYC 2275 Lecture 9: Chapter 7
16 Feb 2017
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Autosomes: homologous chromosomes, one from each parent (22 sets of 2) Sex chromosomes (1 set of 2: female- sex chromosomes are homologous (xx, male- sex chromosomes are non-homologous (xy) Gene: a length of dna that encodes the information for constructing a particular protein, is a piece of information, inherited from our parents, is a segment of dna that directs the production of a particular protein. Genes code for protein: they very (somewhat) between individuals, therefore proteins vary between individuals, in a more extreme case, a gene can be mutated (or carry a mutation) Gene expression can be influenced by environment. Everything in the brain (aside from the ions and h2o) is made of protein or made by proteins. The term protein refers to a very large family of molecules that play diverse roles in brain function. Here are just a few examples of proteins in the brain.
