Who Developed the Concept of Mapping Genes on Chromosomes When

Question

Who developed the concept of mapping genes on chromosomes when he was an undergraduate student?
A) Thomas Morgan
B) Francis Crick
C) James Watson
D) Alfred Sturtevant

Accepted Answer

Alfred Sturtevant, while an undergraduate student working in Thomas Hunt Morgan's lab, developed the concept of gene mapping. He realized that the frequency of recombination between gene loci could be used to determine their physical distance apart on a chromosome, leading to the creation of the first genetic maps.