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zygotene

[zahy-guh-teen, zig-uh-]
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noun Cell Biology.
  1. the second stage of prophase in meiosis, during which strands of homologous chromosomes line up and become pairs.
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Origin of zygotene

1925–30; < French zygotène; see zygo-, -tene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for zygotene

zygotene

noun
  1. the second stage of the prophase of meiosis, during which homologous chromosomes become associated in pairs (bivalents)
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

zygotene in Medicine

zygotene

(zīgə-tēn′)
n.
  1. The stage of meiotic prophase during which the precise point-for-point pairing of the homologous chromosomes begins.zygonema
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.