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| Author(s): | Karp, A.;
Jones, R. N. |
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| Author Affiliation: | Dep. Agric. Bot., Univ. Coll. Wales, Aberystwyth, UK |
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| Title: | Cytogenetics of Lolium perenne. Part 1: chiasma frequency variation in inbred lines |
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| Source: | Theoretical and Applied Genetics. Vol. 62, No. 2, 1982, p. 177-183. |
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| Keywords: | TIC Keywords: Lolium; Meiosis
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| Abstract/Contents: | Variation in chiasma frequency and distribution at metaphase I was analysed in several plants of the variety S23 and their inbred descendants (S1-S5). The results showed that inbreeding reduced chiasma frequency and increased both between and within-cell bivalent variances. Evidence is presented for polygenic control of chiasma formation and distribution. A model is suggested for control of the interrelated components of chiasma variation (frequency and between and within-cell bivalent variances) which involves a common control system and independent systems. |
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| Language: | English |
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| References: | 32 |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Karp, A., and R. N. Jones. 1982. Cytogenetics of Lolium perenne. Part 1: chiasma frequency variation in inbred lines. Theor. Appl. Genet. 62(2):p. 177-183. |
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