Fibroblast cells from several different xeroderma pigmentosa patients were cultured, then fused in intergenic complementation studies. Which cell fusions would not result in a hybrid capable of repairing damaged DNA?

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#Question id: 3330

#Unit 11. Evolution and Behavior

Which of the following Population have Hardy- Weinberg equilibrium?

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#Question id: 11700

#Unit 7. System Physiology – Animal

As menstruation ends estrogen levels in the blood rise rapidly. What is the source of the estrogen?

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#Question id: 16494

#Unit 12. Applied Biology

Few examples of plant vectors produced from viruses

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#Question id: 18705

#Unit 13. Methods in Biology

What will weight in picogram in human genome 

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#Question id: 7540

#General Aptitude

Two trains of lengths 200m and 320m pass each other with constant speeds on parallel tracks in opposite directions. The drivers and guards are at extremities of the trains. The time gap between the drives passing each other and first driver-guard pair passing each other is 25 s. How much later will other driver-guard pair pass by?