The chromosomal basis of linkage was worked out mainly through breeding experiments on Drosophila by

  • A. Gregor Mendel
  • B. Jean Baptiste Lamarck
  • C. James Watson
  • D. Thomas Hunt Morgan

Explanation

Morgan showed that certain Drosophila characters were inherited together and tied to the sex chromosomes, founding chromosome mapping. Mendel worked before chromosomes were understood, and Watson's fame rests on the structure of DNA.

Related questions