Key points are not available for this paper at this time.
ʳossing-over 'The Y chromosome and non-disjunction Mutation in Drosophila ampelophila lO Multiple allelomorphs 1 Sex-linked lethals and the sex ratio Influence of the environment on the realization of two sex-linked characters Sexual polymorphism Fertility and sterility in the mutants Balanced inviability How the factors are located in the chromosomes The sex-linked factors of Drosophila Map of chromosome X Nomenclature Part II.
Morgan et al. (Sat,) studied this question.