MCQ
Mobile genetic elements in maize were discovered by $...........:$
- A$D.$ Baltimore
- B$H. G.$ Khorana
- C$N. E.$ Borlaug
- ✓$B.$ McClintock
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$R$ : It represents species of taxonomically different groups occurring in equal balance.
$(A)$ Tropical latitudes have remained relatively undisturbed for millions of years and thus had a long evolutionary
time for species diversification.
$(B)$ Tropical environments are more seasonal and less predictable than temperates.
$(C)$ There is more solar energy available which contributes to higher productivity.