Sister to be impregnated with her brother's child at London clinic | The Independent - Brothers sperm in sister
- Views: 841 853
Since a donor's egg and sperm contain an assortment of genes from their gene pool, not themselves, a full brother or sister's set of gametes. I have always had this half-sister, half-mother feeling about him. When we mentioned that we were using my brother's sperm, doctors were all.