PSYC-125 CH 1 Word Scramble
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Question | Answer |
Genes | Units of hereditary that keep their identity from one generation to the next. Come in pairs of chromosomes (strands of genes). |
Physiological | Relates a behavior to the activity of the brain and other organs. IE: machinery of the body like the routes brain activity takes to control muscle contractions. |
Biological Explanations of behaivor (4) | Physiological, Ontogenetic, Evolutionary, and Functional. |
Ontogenetic | How a structure or behavior develops, including the influences of genes, nutrition, etc. Reflects gradual maturation of frontal lobe. |
Evolutionary | Reconstructs the evolutionary history of a structure or behavior. We inherit the mechanism from a behavior evolved in our ancestors. |
Functional | Why a structure or behavior evolved as it did. An example being animals with camouflage making them inconspicuous. |
Homozygous | Same pair of genes on two chromosomes. |
Heterozygous | Unmatched pair of genes on two chromosomes. |
Sex-Linked Genes | Genes on the sex chromosomes. |
Autosomal Genes | All other genes on the autosomal chromosomes. |
Sex-Limited Genes | Present in both sexes, generally on atsml chrmsms. Active mainly in one sex due to specific sex hormones in one sex or the other. |
Epigenetics | Deals with changes in gene expression without modification of the DNA sequence. |
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