In mex-3-deficient mutants, PAL-1 is seen in every blastomere.

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#Id: 6838

#Unit 8. Inheritance Biology

OMPONENTS OF GENETIC VARIANCE 

Additive genetic variance (VA)

Dominance genetic variance (VD)

Gene interaction variance (VI)

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#Id: 6839

#Unit 8. Inheritance Biology

COMPONENTS OF GENETIC VARIANCE

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#Id: 6840

#Unit 8. Inheritance Biology

Broad - sense heritability

H2 = VG/VP 

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#Id: 6841

#Unit 8. Inheritance Biology

Broad-sense heritability range from 0 to 1. 

    0 = all the phenotypic variance results from environmental                  variation. 

1 = all the phenotypic variance results from differences in                genotype.

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#Id: 6842

#Unit 8. Inheritance Biology

Narrow-sense heritability

h2 = VA/VP

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#Id: 6843

#Unit 8. Inheritance Biology

Determining gene number for a polygenic characteristic 

(¼)n