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data analysis - DCU School of Computing
data analysis - DCU School of Computing

... • Genetic Map -Models linear arrangement of group of genes / markers (easily identified genetic features - e.g. change in known gene, piece of DNA with no known function). Map based on homologous recombination during meiosis. If two or more markers located close together on chromosome, alleles usual ...
Genetic Disorder
Genetic Disorder

... Once you have read about your genetic disorder, one of your first and most important jobs will be to decide how the genetic disorder is inherited (see previous page). You should be able to: 1. EXPLAIN how the genetic disorder you chose is inherited. Your explanation should be more than autosomal rec ...
Problems in Prenatal Development Human Development March 12
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Heredity - bvsd.k12.pa.us
Heredity - bvsd.k12.pa.us

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Bio 30 Unit D1 Population GeneticsTAR

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File - Science with Mr. Reed

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Integrating mechanistic and evolutionary analysis of life history

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Table 13 - Angelfire

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disruptive selection

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Running head: A RESEARCH GUIDE TO THE GENETIC
Running head: A RESEARCH GUIDE TO THE GENETIC

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ANT 3514 – Introduction to Biological Anthropology
ANT 3514 – Introduction to Biological Anthropology

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Biology - Chapter 7

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Heritability of IQ

Research on heritability of IQ infers from the similarity of IQ in closely related persons the proportion of variance of IQ among individuals in a study population that is associated with genetic variation within that population. This provides a maximum estimate of genetic versus environmental influence for phenotypic variation in IQ in that population. ""Heritability"", in this sense, ""refers to the genetic contribution to variance within a population and in a specific environment"". There has been significant controversy in the academic community about the heritability of IQ since research on the issue began in the late nineteenth century. Intelligence in the normal range is a polygenic trait. However, certain single gene genetic disorders can severely affect intelligence, with phenylketonuria as an example.Estimates in the academic research of the heritability of IQ have varied from below 0.5 to a high of 0.8 (where 1.0 indicates that monozygotic twins have no variance in IQ and 0 indicates that their IQs are completely uncorrelated). Some studies have found that heritability is lower in families of low socioeconomic status. IQ heritability increases during early childhood, but it is unclear whether it stabilizes thereafter. A 1996 statement by the American Psychological Association gave about 0.45 for children and about .75 during and after adolescence. A 2004 meta-analysis of reports in Current Directions in Psychological Science gave an overall estimate of around 0.85 for 18-year-olds and older. The general figure for heritability of IQ is about 0.5 across multiple studies in varying populations. Recent studies suggest that family environment (i.e., upbringing) has negligible long-lasting effects upon adult IQ.
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