Hugo de Vries
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Hugo Marie de Vries was a Dutch botanist and one of the first geneticists. He is known chiefly for suggesting the concept of genes, rediscovering the laws of heredity in the 1890s while apparently una
de Vries c. 1907
Hugo de Vries in the 1890s
Hugo de Vries at his retirement (Thérèse Schwartze, 1918)
Gene
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In biology, the word gene has two meanings. The Mendelian gene is a basic unit of heredity. The molecular gene is a sequence of nucleotides in DNA that is transcribed to produce RNA. There are two typ
Gregor Mendel
