BGYB51H3 Lecture 16 Notes Nov 3

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BGYB51H3 Lecture 16 Notes
-accurate measurable amount of heritability involves controlling environments, which is a
problem
-one strategy is ensuring offspring and parents have different environments in order to control
for environment effect (e.g. cross-fostering or reciprocal transplant)
-another strategy is ensuring all offspring have the same environment
-heritability is specific to a particular population in a particular environment
-even if additive variation is fixed, environment variation can change and cause heritability
changes as well
-heritability always say that differences between populations is due to genetics
-Z๎€ž๎‚Œ]๎‚š๎€‚๎€]o]๎‚šร‡๎€ƒ๎€š}๎€ž๎‚v[๎‚š๎€ƒ๎‚š๎€žoo๎€ƒร‡}ยต๎€ƒ๎€‚vร‡๎‚šZ]vP๎€ƒ๎€‚๎€}ยต๎‚š๎€ƒ๎‚šZ๎€ž๎€ƒ๎€๎€‚ยต๎‚๎€ž๎€ƒ}(๎€ƒ๎€š]((๎€ž๎‚Œ๎€žv๎€๎€ž๎‚๎€ƒ๎€๎€ž๎‚šร๎€ž๎€žv๎€ƒ๎‚‰}๎‚‰ยตo๎€‚๎‚š]}v๎€ƒ~u๎€‚ร‡๎€ƒ
be because of different environments)
-Z๎€ž๎‚Œ]๎‚š๎€‚๎€]o]๎‚šร‡๎€ƒ๎€š}๎€ž๎‚v[๎‚š๎€ƒ๎€š๎€ž๎‚๎€๎‚Œ]๎€๎€ž๎€ƒ๎‚šZ๎€ž๎€ƒ๎‚‰๎‚Œ}๎‚‰}๎‚Œ๎‚š]}v๎€ƒ}(๎€ƒ๎€‚๎€ƒ๎‚š๎‚Œ๎€‚]๎‚š๎€ƒ๎€šยต๎€ž๎€ƒ๎‚š}๎€ƒP๎€žv๎€ž๎‚
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