The radius of which of the following orbits is same as that of the first Bohr’s orbit of hydrogen atom ?

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#Question id: 5740

#XL - T Zoology

Pollen from one species germinates on the stigma of another related species and sexually fertilizes the ovule. Most of the resulting plants are sterile but some of the resulting offspring undergo chromosome duplication resulting fertile plants. The fertile offspring are known as

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#Question id: 5740

#XL - R Botany

Pollen from one species germinates on the stigma of another related species and sexually fertilizes the ovule. Most of the resulting plants are sterile but some of the resulting offspring undergo chromosome duplication resulting fertile plants. The fertile offspring are known as

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#Question id: 5741

#XL - S Microbiology

In a mammal 2 Barr bodies are observed.  How many X chromosomes does the organism have?

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#Question id: 5741

#XL - T Zoology

In a mammal 2 Barr bodies are observed.  How many X chromosomes does the organism have?

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#Question id: 5742

#XL - S Microbiology

When an allotetraploid (AABB) is backcrossed to one of its progenitor species (AA), a sterile progeny is produced.  The genomic composition of this sterile individual can be best represented by

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#Question id: 5743

#XL - S Microbiology

Euploidy is