^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.
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Morgan et al. (1916) studied this question.