Variation and Evolution in the Karyotype of Lycoris (Amaryllidaceae) : V. Chromosomal Variation in L. sanguinea Maxim.
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概要
- 論文の詳細を見る
In 554 bulbs from 38 populations of Lycoris sanguined, several chromosomal variations have been discovered. Most of the bulbs have a common karyotype consisting of 22 acrocentric (A) chromosomes. Though their frequencies are low, some rearranged chromosomes which are aberrant have been found. The aberrants are as follows : 1. Subtelocentrics (ST) ; 2. Telocentrics (T') ; 3. Metacentrics (M') ; 4. Very small acrocentrics (a) ; 5. Very small metacentrics (m) ; 6. Acentric fragments (Ac) ; and 7. Dicentrics (Di) chromosome. All can be easily suspected to be derived from As. Some aberrations of the satellite chromosomes have been observed also. In addition, a new karyotype composed of 2n=32=31A+1M' chromosomes has been found.
- 種生物学会の論文
- 1989-06-30
著者
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KURITA Siro
Department of Biology, Faculty of Science, Chiba University
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Kurita Siro
Department Of Biology Faculty Of Science Chiba University
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