PLoS Genet. 2015 Mar; 11(3): e1005076.
Published online 2015 Mar 10. doi: 10.1371/journal.pgen.1005076
Epidemiological studies suggest that allergy risk is preferentially transmitted through mothers. This can be due to genomic imprinting, where the phenotype effect of an allele depends on its parental origin, or due to maternal effects reflecting the maternal genome's influence on the child during prenatal development.