They reasoned that by taking an oocyte and eliminating the loci that are known to be inactivated in a haploid paternal ... mice were normal: they performed similarly to wild-type mice in exercise ...

More information: Bethany A. Masson et al, Depletion of the paternal gut microbiome alters sperm small RNAs and impacts ...

Some cells use only a maternal X chromosome; others rely only on the paternal X. Now, UC San Francisco researchers have found that when the brain cells of female mice express only a maternal X ...

Researchers aim to continue studying the role of the X chromosome in brain aging, and whether it can explain people’s risk of ...

Not only are alleles inherited from a mouse’s mom or dad expressed in unequal proportions in various cells in the brain and adrenal system—a phenomenon called genomic imprinting—but expressing the ...