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Picture: Chromosomes
In humans and many other species, genes inherited from both mother and father affect the development
Humans have two sets of chromosomes, one maternal and one paternal, both of which usually contribute traits to individuals, depending on which genes are expressed – this is our "diploid.
Relatives of algae and moss, including liver flukes, have only one set of chromosomes
One such mechanism is to silence a copy of a gene, also known as a "parent genome imprint.
A genomic coping mechanism dominated by maternal genes
Land money embryos also grow within maternal tissue, but unlike mammals, their development does not involve extra embryonic tissue
"We found that Marchantia completely inactivated paternal chromosomes in embryos, even before paternal and maternal genome fusion
Have a glimpse into the diversity of the natural world
The silencing mechanism described by the team in Liver Fluke is not new
Since the ancestors of liver flukes are much older than those of mammals or flowering plants, these findings suggest that the evolution of imprinting mechanisms is much
