Cross is made between a pure breeding plant having red coloured male flowers with a pure breeding plant having white colored female flowers. All of these offspring are white colored flower. Upon selfing of these F1 red flower plant produced both red and white flower. Which of the following is conclusion of these cross?

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#Question id: 4958

#XL - T Zoology

What is true of the fossil record of mammalian origins?

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#Question id: 20253

#XL - P Chemistry

AB, A2 and B2 are diatomic molecules. If the bond enthalpies of A2, AB & B2 are in the ratio 1 : 1 : 0.5 and enthalpy of formation of AB from A2 and B2 is – 100 kJ/mol^–1. What is the bond enthalpy of A2.

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#Question id: 20193

#XL - P Chemistry

The atomic number of an element is 35. What is the total number of electrons present in all the p-orbitals of the ground state atom of that element ?

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#Question id: 11533

#XL - R Botany

 IAA biosynthesis is associated with__

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#Question id: 9268

#XL - R Botany

The most active photosynthetic tissue in higher plants is the