Keywords: nondisjunction

Sequence of the supernumerary B chromosome of maize provides insight into its drive mechanism and evolution

N. Blavet, H. Yang, H. Su, P. Solanský, R. N. Douglas, M. Karafiátová, L. Šimková, J. Zhang, Y. Liu, J. Hou, X. Shi, C. Chen, M. El-Walid, M. E. McCaw, P. S. Albert, Z. Gao, C. Zhao, G. Ben-Zvi, L. Glick, G. Kol, J. Shi, J. Vrána, H. Šimková, J. C. Lamb,,  Proceedings of the National Academy of Sciences,  118:e2104254118. 2021.
B chromosomes are nonvital chromosomes found in thousands of plants and animals that persist through various drive mechanisms. The drive mechanism of the maize B chromosome consists of mitotic nondisjunction at the second pollen division to produce two unequal sperm and then the ...
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