asked 127k views
4 votes
What scientific breakthrough was made in the 1940s and 1950s?

A: DNA research


B: paleontology


C: cell theory


D: natural selection

asked
User Pradeep
by
7.7k points

1 Answer

3 votes

A. the dna

DNA your welcome

answered
User Pavan Jadda
by
7.8k points

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