MCQ
Evolutionary convergence is development of:
- ACommon set of characters in group of different ancestry.
- BDissimilar characters in closely related groups.
- CCommon set of characters in closely related groups.
- DRandom mating.
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Reason : In case of incomplete linkage, linked genes are separated by crossing over.
$(A)$ The earliest organisms that appeared on the earth were nongreen and presumably anaerobes.
$(B)$ The first autotrophic organisms were the chemoautotrophs that never released oxygen.Of the above statements which one of the following options is correct?