Years Flashcards
Mendal experiment on garden pea
1856 - 1863 7 Years
Mendal published his work
1865
De Vries , Correns and Von Tschermark independently re-discovered Mendel’s results
1900
Chromosome movement during meiosis has been worked out
1902
Fredrick Griffith transforming experiment with streptococcus pneumoniae (diplococcus)
1928 [1928 : 1952 : 1958]
Family planning programme started in India
1951 [1951 : 1971]
Hershey and Chase experiment on bacteriophage or bacterial virus gives unequivocal proof that DNA is the genetic material.
1952
Watson & Crick double helical structure of B-DNA & replication scheme
1953
Meselson & Stahl work on E.coli proves semiconservative replication of DNA in prokaryotes
1958
2 emzyme responsible for restricting growth of bphage in E.coli were isolated
1963 [1963 : 1972]
whittaker five kingdom classification
1969
govt. of India legalized MTP
1971
Stanely Cohen 7 Herbert Boyer formed 1st recombinant DNA
1972
Water act
1974
Joint forest management (JFM)
1980