摘要
本文对原产于内蒙古西部地区的蒙古冰草（ＡｇｒｏｐｙｒｏｎｍｏｎｇｏｌｉｃｕｍＫｅｎｇ）进行了花粉母细胞减数分裂期染色体形态观察。发现在蒙古冰草减数分裂终变期有１～４条Ｂ染色体。它比正常染色体小，而且不与正常染色体配对．Ｂ染色体之间可以配对。
The chromosome behaviour at meiosis in the pollen mtother cells fromAgropyron mongolicum which is native in Inner Mongolia was observed.We found thatthere are one to four B chromosomes at diakinesis.The size of B chromosome is smallerthan that of the normal ones,The chromosome pairing occurred between Bchromosomes and no pairing occurred between B chromosomes and the normal ones(Achromosomes).
基金
国家自然科学基金
