title: The expected changes in the frequency of alleles affecting the sex ratio.
mesh_terms: D000483:Alleles; D005260:Female; D005306:Fertilization; D005787:Gene Frequency; D005838:Genotype; D008297:Male; D008954:Models, Biological; D010063:Ovum; D012641:Selection, Genetic; D012744:Sex Ratio; D013094:Spermatozoa