1.

All living organisms are linked to one another becauseA. they have common genetic material of the same typeB. they share common genetic material but to varying degreesC. all have common cellular organisationD. All of the above

Answer» Correct Answer - B
All living organisms share common genetic material, i.e., DNA but with variations, e.g., bacteria have single stranded circular DNA while in highly evolved eukaryotic cells of plants and animals DNA is a long double stranded helix.


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