PSYCH-UA 1 Chapter Notes - Chapter Chapter 2a: 51-top 67: Goblet Cell, Mucin, Chromosome
29 Nov 2016
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Chapter 2: the genetic and evolutionary roots of behavior. Evolution is one of science"s best established, best confirmed theories. An understanding of evolution and genetics has become an integral part of psychology. Within the nucleus are the cell"s chromosomes structures in the nucleus of each cell that contain the genes, the units of hereditary transmission; a human cell has 46 chromosomes arranged in 23 pairs. Chromosomes contain a single long molecule of dna (deoxyribonucleic acid) molecule that is the constituent of genes. Dna governs cell"s structure and its chemical process by providing instructions for making. A always pairs with t, c with g. This feature of dna enables the molecule to carry instructions for building proteins: every cell in a person"s body contains a copy of the same 46 chromosomes, collectively called the person"s genome. Within each cell, genes aren"t active all the time, some genes are expressed in a cell and some aren"t.
