这些类型都是高度不育的，正如由基本的二倍体衍生三倍体和同源四倍体一样。
These forms are highly sterile, as would be expected of triploids and of autotetraploids derived from basic deploids.
同源四倍体水稻是二倍体水稻染色体加倍形成的。
Autotetroploid rice has double genome compared with diploid rice.
与二倍体对照相比，同源四倍体材料的花粉育性、结实率均不同程度下降，尤其低代材料的花粉育性59。
Compared with diploid control, the pollen fertility and seed set of autotetraploid declined dramatically, especially in preliminary generations, and they were only 59.
利用荧光显微术观察，发现同源四倍体水稻与其二倍体原种的糊粉层细胞壁纤维素物质都存在一个“充实”的过程。
The formation of the aleuronic layer cell wall in autotetraploid and its original diploid rice was studied by using the technique of fluorescence microscopy.
团头鲂同源四倍体每毫升血液红细胞的总体积和总表面积，均明显低于二倍体和倍间三倍体团头鲂（P<0.05）；
The values of total erythrocyte volume and total surface area per milliliter blood are significantly(P<0.05) lower in autotetraploid than those in interploid 3n and 2n control.
团头鲂同源四倍体每毫升血液红细胞的总体积和总表面积，均明显低于二倍体和倍间三倍体团头鲂（P<0.05）；
The values of total erythrocyte volume and total surface area per milliliter blood are significantly(P<0.05) lower in autotetraploid than those in interploid 3n and 2n control.
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