bio timeline

Events

Robert Hooke observes cork cells

1665

Karl Von Baer discovers the mammalian egg

1827

Rudolf Virchow adds to the cell theory

1855

Kolliker describes mitochondria in muscle

1857

Fleming described chromosome behavior during mitosis

1879

Germ cells are haploid, chromosome theory of heredity

1883

Camillo Golgi discovers the Golgi apparatus

1897

Behrens used differential centrifugation to separate nuclei from cytoplasm.

1938

researchers in Scotland clone a sheep from an adult sheep cell

1996

Mice are cloned from somatic cells

1998

Hamilton and Baulcombe discover siRNA as part of post-transcriptional gene silencing (PTGS) in plants

1999

tissue engineering used to grow new skin and bone for transplant

2004