KARYOTYPE AND C-BANDING STUDY IN FRITILLARIA ZAGRICA (LILIACEAE)

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BAKHSHI KHANIKI GHOLAM REZA; PERSSON K.

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Journal: Year:2002 | Volume:15 | Issue:2 (55 IN NATURAL RESOURCES) Page(s): 24-28

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Title

KARYOTYPE AND C-BANDING STUDY IN FRITILLARIA ZAGRICA (LILIACEAE)

Author(s)

BAKHSHI KHANIKI GHOLAM REZA | PERSSON K. | Issue Writer Certificate

Keywords

CHROMOCOMEQ3

HETEROCHROMATINQ4

C-BANDQ4

SATELLITEQ3

MORPHOLOGYQ4

SECONDARY CONSTRICTIONQ2

ENDEMICQ3

ZAGROS MOUNTAINQ4

Abstract

Fritillaria zagrica is an ENDEMIC species of Iran. It is distributed all along the ZAGROS MOUNTAIN chain and is characterized morphologically by the distinctly dark purplish - brown flowers with a yellow apex. Its karyotype consists of two metacentric five subtelocentric and five telocentric chromosome pairs. In all metaphase plates only one pair of SATELLITE – bearing chromosomes was found. C - banding pattern is characterized by the following major C - bands: centromeric bands occur in the short arms of chromosome pairs Nos. 2-3, 5-8, 10 and 12, and on the long arms of pairs Nos. 2, 4, 8-10 and 12; distinct intercalary bands exist in the short arms of pairs Nos. 1 and 6, and on the long arms of pairs Nos. 4, 6 and 11; telomeric bands occur on the short arm of pairs Nos. 1-3,7 and 9-11 and on the long arms of pairs Nos. 2-3. Bands at SECONDARY CONSTRICTIONs are found on the short arm of pair No. 3. the short arms of chromosome pairs Nos. 3 (including SATELLITEs) and 1 and were entirely heterochromatic. Apart from these, there are some indistinct or dot - like bands in the complements, varying in number and general appearance from cell to cell. Heteromorphy for band width was observed in the pairs Nos. 2-3, 6, and 8. In addition to the normal complement (A chromosomes), 0-4 accessory B-chromosomes were observed in poplations GBK 20 and GBK 38. These chromosomes were of equal size and each had a terminal band, which suggests that they were probably telomeric and identical. Interphone nuclei exhibited a relatively heterogeneous matrix of chromo centers, varying in number and size. There were often a small number of big and distict chromocentres which at least in part may be related to B-chromosomes.

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APA: Copy

BAKHSHI KHANIKI, GHOLAM REZA, & PERSSON, K.. (2002). KARYOTYPE AND C-BANDING STUDY IN FRITILLARIA ZAGRICA (LILIACEAE). PAJOUHESH-VA-SAZANDEGI, 15(2 (55 IN NATURAL RESOURCES)), 24-28. SID. https://sid.ir/paper/19510/en

Vancouver: Copy

BAKHSHI KHANIKI GHOLAM REZA, PERSSON K.. KARYOTYPE AND C-BANDING STUDY IN FRITILLARIA ZAGRICA (LILIACEAE). PAJOUHESH-VA-SAZANDEGI[Internet]. 2002;15(2 (55 IN NATURAL RESOURCES)):24-28. Available from: https://sid.ir/paper/19510/en

IEEE: Copy

GHOLAM REZA BAKHSHI KHANIKI, and K. PERSSON, “KARYOTYPE AND C-BANDING STUDY IN FRITILLARIA ZAGRICA (LILIACEAE),” PAJOUHESH-VA-SAZANDEGI, vol. 15, no. 2 (55 IN NATURAL RESOURCES), pp. 24–28, 2002, [Online]. Available: https://sid.ir/paper/19510/en

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