Which option accurately defines a most recent common ancestor (MRCA)? O a. oldest ancestor from which all the species/groups in question are descended O b. the most recent ancestor from which all the species/groups in question are descended O c. the most recent ancestor from which all the species/groups in question are born O d. the oldest ancestor from which all the species/groups in question are born
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Step 1: Restate the question and choices: which option defines MRCA? a) oldest ancestor from which all the species/groups are descended; b) the most recent ancestor from which all the species/groups are descended; c) the most recent ancestor from which all the Show more…
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