A印度南部Kangayam牛(Bosindicus)罕见的染色体多态性。

IF 1 4区生物学 Q4 GENETICS & HEREDITY

Comparative Cytogenetics Pub Date : 2021-12-15 eCollection Date: 2021-01-01 DOI:10.3897/CompCytogen.v15.i4.71295

Vemula Harshini, P Kumarasamy, S M K Karthickeyan

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引用次数: 0

摘要

在对Kangayam种畜进行冷冻精液采集前进行核学筛选，发现染色体多态性。其中1只公牛的染色体补体2n = 60，由58个顶心常染色体、1个大的亚常心x染色体和1个小的顶心y染色体组成，并有一个可见的小p臂，CBG-和gtg -带带进一步证实了这一点。这种多态性归因于1758年boinsindicus Linnaeus牛的顶心y染色体常规的异染色质变异。

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A rare chromosomal polymorphism in a Kangayam bull (Bosindicus) of south India.

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A rare chromosomal polymorphism in a Kangayam bull (Bosindicus) of south India.

A chromosomal polymorphism was detected on karyological screening of Kangayam breeding sires prior to subjecting them for frozen semen collection. One bull possessed the chromosomal complement 2n = 60, consisting of 58 acrocentric autosomes, one large sub-metacentric X-chromosome, and one small acrocentric Y-chromosome with a small visible p-arm, which was further confirmed using CBG- and GTG-banding. This polymorphism was attributed to a heterochromatin variation of the acrocentric Y-chromosome routine in the Bosindicus Linnaeus, 1758 cattle.

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来源期刊

Comparative Cytogenetics 生物-遗传学

CiteScore

2.40

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Comparative Cytogenetics is a peer-reviewed, open-access, rapid online journal launched to accelerate research on all aspects of plant and animal cytogenetics, karyosystematics, and molecular systematics. All published papers can be freely copied, downloaded, printed and distributed at no charge for the reader. Authors are thus encouraged to post the pdf files of published papers on their homepages or elsewhere to expedite distribution. There is no charge for color.

﻿A印度南部Kangayam牛(Bosindicus)罕见的染色体多态性。

摘要

A印度南部Kangayam牛(Bosindicus)罕见的染色体多态性。