Shell coiling in snail determine by genetic maternal effect. S for dextral and s for sinistral.  Following cross allowed between

Male	Female	Progeny   (Genotype)
Dextral	sinistral	Dextral (K1)
Dextral	Sinistral	Sinistral (K2)
Sinistral	sinistral	Dextral (K3)
Dextral	Dextral	Sinistral (K4)

Which of the following progeny not have SS genotype?

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#Question id: 12161

#Unit 8. Inheritance Biology

If a cross is made between  two plant heights  46cm and 10cm. The f2 Genotype has been shown;

I) AABBCC - 2) AABBCc – 3) AABbCc – 4) AaBbCc–  5) AaBbcc – 6) Aabbcc – 7) aabbcc –

Find out the 

i) phenotypic values of the given character 

ii) determining the no of polygenes involves and 

iii) what will be the no of QTL?

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#Question id: 12162

#Unit 8. Inheritance Biology

Nilsson-Ehle’s cross obtained homozygous varieties of wheat that differed in color, he crossed a variety of wheat that possessed white kernels with a variety that possessed  red kernels and obtained the following results:

The following conclusions are made from the results obtained;

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#Question id: 12163

#Unit 8. Inheritance Biology

A cross is made between the two pure line homozygous plant their height is 6cm and 2cm. the F1 progeny shows 6 cm height. the variations takes place in F2 progeny , which were made by 

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#Question id: 12164

#Unit 8. Inheritance Biology

What is the value of broad sense and narrow sense heritability respectively , if the given values of;

A) dominance genetic variance =0.4 , 

B) genic interaction variance =0.3,  

C) additive genetic variance =0.6, 

D) environmental variance=0.8,  

E) genetic−environmental interaction variance=0.3

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#Question id: 12165

#Unit 8. Inheritance Biology

If the environmental variance increases and all other variance components remain same , then what will be the effect on heritability?

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#Question id: 12166

#Unit 8. Inheritance Biology

If cross has made between the plant height 46cm and 10cm , then the F1 progeny shown 28cm . If the of this cross is 3QTL, then how much phenotypes will be formed?