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. 2020 Nov 30;11:564928. doi: 10.3389/fgene.2020.564928

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Copyright © 2020 Yao, Srivastava, Swyers, Han, Doerge and Birchler.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Late prophase of meiosis I in a tetraploid B73. Carmine stain of late prophase of a tetraploid B73 plant. Note the array of bivalents and multivalents.