MCQ
Unfertilized egg of human contains:
- AOne Y chromosome
- BX and Y chromosome
- CXX chromosome
- DOne X chromosome
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Evolutionary biologists believe that the 'success' of mammals is largely due to their ability to maintain a constant body ...$D$... and thrive whether they live in Antarctica or in the Sahara desert
Choose the correct option for $A , B , C$ and $D$