Ötücü Kuşlarda (Passeriformes) Moleküler Cinsiyet Tayini ve Önemi

Yıl 2017, Cilt: 8 Sayı: 2, 142 - 147, 11.09.2017

Bekir Kabasakal Tamer Albayrak

Öz

Birçok ötücü kuş türünün yetişkinleri eşeysel
dimorfizm (yapısal farklılıklar) ve eşeysel dikromatizm (renk farklılığı)
göstermemektedir. Bu nedenle morfolojiye dayalı eşey tayini her zaman mümkün
değildir. Bununla birlikte geleneksel eşey tayini yöntemleri genellikle üreme
dönemindeki yetişkin bireyler için kullanılmakta olup cinsiyeti morfolojik
olarak anlaşılamayan yavru kuşlar için kullanılamamaktadır. Moleküler eşey
tayini yöntemleri ise geleneksel yöntemlere göre daha kolay ve bireyi
öldürmeyen bir seçenek sunmaktadır. Cinsiyet bilgisi davranış ekolojisi, koruma
biyolojisi ve populasyon biyolojisi konulu pek çok çalışma için önem arz
etmektedir. Bu çalışmanın amacı CHD genleri kullanılarak uygulanan moleküler
eşey tayini yöntemi hakkında bilgi vermek, dikkat edilmesi gereken hususları
belirtmek ve konunun önemini vurgulamaktır.

Anahtar Kelimeler

Moleküler eşey tayini, CHD genleri, eşey kromozomları, Passeriformes

Molecular Sexing in Songbirds (Passeriformes) and its Importance

Öz

In many passerine
species, adults do not show sexual dimorphism and sexual dichromatism. For this
reason, external morphology is not often used for sex determination.
Furthermore, traditional sexing methods are often used for adults in
reproductive period and cannot be used for nestlings. Molecular sex
determination provides an alternative method which is easier than the
traditional methods. In this manner, it is very important for many studies on
behavioural ecology, conservation biology and population biology. The purpose
of this study is to provide information about the molecular sex determination
method using CHD genes, to specify matters to be considered and to emphasize
the importance of the issue.

Anahtar Kelimeler

Molecular sexing, CHD genes, Passeriformes

Kaynakça

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