黑麦 B 染色体的 5-B 补偿。
No 5-B compensation by rye B-chromosomes.
机构信息
Department of Genetics, Agricultural University, Wageningen, The Netherlands.
出版信息
Theor Appl Genet. 1976 Mar;48(2):63-6. doi: 10.1007/BF00267313.
PMID:24413652
Abstract
Chinese Spring mono-5B wheat was crossed with rye plants, with and without B-chromosomes, to produce polyhaploids with and without 5B and with and without rye B-chromosomes. As expected, absence of 5B resulted in a strong increase of homoeologous pairing. It was accompanied by a decrease in chiasmata in the rye B-chromosomes. The rye B-chromosomes were entirely ineffective in compensating for the 5B effect in nulli 5B, 2 rye B types.
摘要
中国春单体 5B 小麦与黑麦杂交，有无 B 染色体，产生具有和不具有 5B 以及具有和不具有黑麦 B 染色体的多单倍体。正如预期的那样，缺乏 5B 导致了同系配对的强烈增加。同时，黑麦 B 染色体的交叉减少。在无 5B 的情况下，2 种黑麦 B 型的黑麦 B 染色体完全不能补偿 5B 的作用。
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引用本文的文献
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本文引用的文献
1
The effect of B chromosomes on meiotic and pre-meiotic spindles and chromosome pairing in Triticum-Aegilops Hybrids.
Chromosoma. 1972;38(4):367-85. doi: 10.1007/BF00320157.
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Suppression of homoeologous pairing by B chromosomes in a Lolium species hybrid.
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