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TLS Online TPP Program

#Id: 4737

During early cleavage, each asymmetrical division produces:

  • One founder cell (denoted AB, E, MS, C, and D) that produces differentiated descendants
  • One stem cell (the P1–P4 lineage) 


#Unit 5. Developmental Biology #Vulva formation in Caenorhabditis elegans #Part B Pointers
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TLS Online TPP Program

#Id: 2066

#Unit 8. Inheritance Biology

Heritability- Phenotypic variation that is due to genetic differences
TLS Online TPP Program

#Id: 2067

#Unit 8. Inheritance Biology

COMPONENTS OF PHENOTYPIC VARIANCE
1. Genetic variance (Vg)
2. Environmental variance (Ve)
3. Genetic–environmental interaction variance (VGE)
TLS Online TPP Program

#Id: 2068

#Unit 8. Inheritance Biology
TLS Online TPP Program

#Id: 2069

#Unit 8. Inheritance Biology

COMPONENTS OF GENETIC VARIANCE
TLS Online TPP Program

#Id: 2070

#Unit 8. Inheritance Biology

Broad-sense heritability
H2 = VG/VP
TLS Online TPP Program

#Id: 2071

#Unit 8. Inheritance Biology

Broad-sense heritability range from 0 to 1.
0 =all of the phenotypic variance results from environmental variation.
1 =all of the phenotypic variance results from differences in genotype.