The answer to this question is DNA replicates by a template mechanism or should have a replication machine. Watson and Crick suggested that all organisms must reproduce their DNA with exceptional correctness before each cell division.
They were farmers who used simple tools to grow their food in small gardens.
Their knowledge allowed them to take control of the production process and the training of apprentices.
In congress, the most infantile republicans were U.S. senator Charles Summer and the U.S. representative Thaddeus Stevens. they led the call for a war that would end slavery.