Multiple Choice
In the context of the history of genetics, what is the term for the ancestor who stands at the top of a common genealogy?
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1. Introduction to Genetics
History of Genetics
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In the context of the RNA world hypothesis about the origin of life, which molecule is proposed to have evolved first as both a carrier of genetic information and a catalyst?
A
Protein
B
RNA
C
DNA
D
Carbohydrate (polysaccharide)
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