Health & biology · 1902

Chromosome theory

Sutton and Boveri proposed Mendel's units of heredity ride on chromosomes.

Walter Sutton and Theodor Boveri noticed in 1902 that chromosomes pair and separate exactly as Mendel's factors do. It gave heredity a physical location inside the cell.

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Arcs above join it to what it stood on, arcs below to what it led to. The bar places this stretch on the tree's whole timeline.

What it built on 2

Mendelian inheritance 1865
Cell theory 1839

What it led to 1

Genes on chromosomes 1910