Psychology 1000 Study Guide - Heritability, Inuit, Karyotype

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PSYCH 1000 Full Course Notes
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PSYCH 1000 Full Course Notes
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Genetic base of intelligence [is intelligence heritable?] Genetic disorders [what is the cause of genetic disorders?] From video: the genetic potential of a certain characteristic as well as the range of environmental influence on the development of specific characteristics [in twins]. Random question: you have dark hair (a dominant trait). If we examined your karyotype, we would find that your alleles for hair colour were: homozygous, heterozygous, mixed, on different chromosomes, a or b above. Sometimes, alleles may create mixed phenotypic response: ex. Sickle cell anemia: heterozygous mix of alleles yields both types of cells. Traits related to action of more than 1 gene or chromosome. Estimate of how much observed variability due to genetic factors alone. Does not indicate extent to which genes are responsible for expression of trait. Taps relative contribution of genes to overall variation in population. B/c it relates to a generation of people, the expression of heritability only applies to groups, not to individuals.

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