Is virgin birth possible? Yes (unless you are a mammal)

Christmas seems an appropriate time to ask whether it's biologically possible to have a virgin birth. And you may be surprised to hear that it is possible – just not for humans, or any other mammals.

Bees fight to a stalemate in the battle of the sexes

Just like humans, whether or not some genes are switched on in bumblebees is a result of a battle of the sexes between genes inherited from their mother and genes inherited from their father.

Dad's genes build placentas, study shows

Though placentas support the fetus and mother, it turns out that the organ grows according to blueprints from dad, says new Cornell research. The study, published in the Proceedings of the National Academy of Sciences in ...

Express yourself: How zygotes sort out imprinted genes

Writing in the February 17, 2012 issue of the journal Cell, researchers at the Ludwig Institute for Cancer Research, the University of California, San Diego School of Medicine and the Toronto Western Research Institute peel ...

'Imprinted' developmental genes gain new roles in adult stem cells

(PhysOrg.com) -- The repair of tissues damaged by injury or illness relies on the ability of adult stem cells to grow and self-renew. But this ability needs to be tightly controlled; if regulation is lost, the stem cells ...

Fathers are no role models

(PhysOrg.com) -- Female zebra finches do not only differ in the way they chose their mate but also in their preference for a partner.

Nurture has greater effect than nature, says study

(PhysOrg.com) -- Nurture could have an even greater effect than originally thought, according to a University of Manchester study that is set to shake up the ‘nature versus nurture’ debate.