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.

Question

Quizplus · Accepted Answer

Sturtevant's mapping studies of the X chromosome of Drosophila established the linear arrangement of genes on chromosomes. This principle, known as linkage, allowed for the prediction of the relative distance between genes on a chromosome and paved the way for the development of genetic mapping.

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