From: Hybridity has a greater effect than paternal genome dosage on heterosis in sugar beet (Beta vulgaris)
Tissue
♀ ♂
−
2× X 2×
2× X 4×
Embryo
1m:1p
1m:2p
Endosperm
2m:1p
2m:2p
Perisperm
2m:0p