metacentric chromosome

noun

a chromosome having two equal arms because the centromere is in median position

数据来源：WordNet

1

According to size of No.1 metacentric chromosome obviously differs from that of No.2 chromosome , it is identified that O. japonicas might be tetraploid .

根据第1号中部着丝粒染色体与第2号的大小差异明显，认为麦冬属于四倍体类型。
2

Chromosome 14 , with a secondary constriction on the short arm , is a metacentric chromosome . Only this marker chromosome of Red panda display a very strong positive centromeric C-band which is very similar to that of giant panda 's marker chromosome .

14号染色体为短臂中部具次级缢痕的中着丝粒染色体，是小熊猫的标记染色体，其着丝粒区显示强阳性C-带。
3

The X chromosome is metacentric , the Y chromosome being telocentric .

x染色体为中部着丝点，y染色体为端部着丝点。