The key appears to be maternal inheritance.

No doubt about it, greyhound dogs are quick. Famous for being the fastest dog breed in the world, greyhounds possess truly incredible speed. Seeing them run at full speed is amazing and makes you ...

Add Yahoo as a preferred source to see more of our stories on Google. Many amphibians use vernal pools (temporary ponds) for breeding. These ponds do not contain fish that could eat their eggs. Timing ...

Animal reproduction encompasses the full sequence from gamete formation through fertilisation, embryonic development and parturition. In farm and companion species alike, natural breeding is ...