Sesquizygosity due to heterogonesis confirmed by @10Xgenomics linked-reads
A case report in the New England Journal of Medicine describes a pair of sesquizygotic twins, they share an identical maternal allele, but are chimeric (to different degrees) for two separately identical paternal alleles. The initial ultrasound at 6-weeks showed monozygotic twins, but at 14 weeks it was […]