No 5-B compensation by rye B-chromosomes |
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| Authors: | M Roothaan Dr J Sybenga |
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| Institution: | (1) Department of Genetics, Agricultural University, Wageningen, The Netherlands |
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| Abstract: | Summary 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. |
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