Sturtevant's Detailed Mapping Studies of the X Chromosome of Drosophila

Multiple Choice

Sturtevant's detailed mapping studies of the X chromosome of Drosophila established what genetic principle?

A) That genes are arranged in a linear order on the chromosomes.
B) That genes are carried on chromosomes.
C) That sex determination is controlled by the X and Y chromosomes.
D) That segregation of an allelic gene pair is accompanied by disjunction of homologous chromosomes.
E) That different pairs of chromosomes assort independently.