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TLS Online TPP Program

#Id: 6887

Inactivation of the X chromosome in females is governed by the n–1 rule


#Unit 3. Fundamental Processes #Chromatin Remodelling & Epigenetics #Part B Pointers
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TLS Online TPP Program

#Id: 6831

#Unit 8. Inheritance Biology

Phenotypic variation can be attributed to genetic and environmental influences. 
TLS Online TPP Program

#Id: 6832

#Unit 8. Inheritance Biology

Meristic characteristic - Some characteristics are not continuous but are nevertheless considered quantitative because they are determined by multiple genetic and environmental factors.
TLS Online TPP Program

#Id: 6833

#Unit 8. Inheritance Biology

Threshold characteristics display only two possible phenotypes—the trait is either present or absent.
TLS Online TPP Program

#Id: 6834

#Unit 8. Inheritance Biology

Heritability- Phenotypic variation that is due to genetic differences. In addition to being polygenic, quantitative characteristics are frequently influenced by environmental factors. 
TLS Online TPP Program

#Id: 6835

#Unit 8. Inheritance Biology

COMPONENTS OF PHENOTYPIC VARIANCE
Genetic variance (VG)
Environmental variance (Ve)
Genetic–environmental interaction variance (VGE)
TLS Online TPP Program

#Id: 6836

#Unit 8. Inheritance Biology

Genetic–environmental interaction variance (VGE)