Which of the statement about the Human Endogenous Retrovirus H (HERVH) below is not true?
1
The Human Endogenous Retrovirus H (HERVH) plays a pivotal role in maintaining the pluripotency of cells within the inner cell mass of the early human embryo.
2
HERV-H constitutes about 20% of the human genome
3
HERV-H is a series of viral sequences derived from ancient viral infections preserved in human DNA.
4
The placenta expresses HERV-H.