MeSH headings : Animals; Animals, Genetically Modified; Base Sequence; Body Patterning; DNA Primers; Drosophila Proteins / genetics; Drosophila melanogaster / embryology; Drosophila melanogaster / genetics; Enhancer Elements, Genetic; Female; Gene Expression; Haplotypes; Homeodomain Proteins / genetics; In Situ Hybridization; Molecular Sequence Data; Polymorphism, Genetic; Sequence Homology, Nucleic Acid

TL;DR: It is demonstrated that even a process as robust as early developmental patterning is affected by standing genetic variation, intriguingly involving otd, whose morphogenetic function bicoid is thought to have displaced during dipteran evolution. (via Semantic Scholar)