Selective abortion, gametic selection, and the X chromosome.
D000032:Abortion, Therapeutic; D005193:Family Planning Services; D005787:Gene Frequency; D008040:Genetic Linkage; D005828:Genetics, Population; D005838:Genotype; D005854:Germ Cells; D006579:Heterozygote; D006801:Humans; D008433:Mathematics; D008954:Models, Biological; D009154:Mutation; D012641:Selection, Genetic; D012730:Sex Chromosomes; D012737:Sex Factors