The extremely uncommon “semi-identical” Australian twins reported a week ago will be the consequence of an event that is rare.

The extremely uncommon “semi-identical” Australian twins reported a week ago will be the consequence of an event that is rare.

The extremely uncommon “semi-identical” Australian twins reported a week ago will be the consequence of an event that is rare.

Jenny Graves – Distinguished Professor of Genetics, Los Angeles Trobe University

It’s thought the cousin and sis (who possess identical genes from their mom not their dad) developed from an egg fertilised by two various semen in the moment that is same.

The extremely uncommon “semi-identical” Australian twins reported a week ago will be the outcome of an event that is rare. It’s thought the sibling and cousin (who possess identical genes from their mother yet not their daddy) developed from an egg fertilised by two various semen in the moment that is same.

In people, it is the semen that determines whether an embryo is pressed along a male or development pathway that is female. However in birds, it is one other means around. Eggs will be the factor that is deciding bird intercourse. Leer más


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