| 21. | Heritability measures the fraction of phenotype variability that can be attributed to genetic variation.
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| 22. | One Path Analysis was developed by Sewall Wright as a way of estimating heritability.
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| 23. | Overall, however, " heritability " is a concept widely applicable.
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| 24. | Generally, but not always, repeatability indicates the upper level of the heritability.
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| 25. | IQ heritability increases during early childhood, but whether it stabilizes thereafter remains unclear.
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| 26. | Additionally, heritability estimates are inconsistent across studies.
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| 27. | Several resolutions have been proposed, that the missing heritability is some combination of:
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| 28. | Geneticists talk of the heritability of different traits.
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| 29. | These data show that the broad heritability of well being is 40 to 50 percent,
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| 30. | A heritability of 100 percent means a trait is fully and only determined by genes.
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