Jenny Graves — Distinguished Professor of Genetics, Los Angeles Trobe University
It’s thought the sibling and cousin (who possess identical genes from their mom not their daddy) developed from an egg fertilised by two various semen at the exact same minute.
The extremely uncommon “semi-identical” Australian twins reported a week ago would be the results of a unusual occasion. It’s thought the sibling and sibling (that have identical genes from their mom yet not their daddy) developed from an egg fertilised by two various semen during the moment that is same.
In people, it is the semen that determines whether an embryo is forced along a male or female development path. Читать далее