مطالعه تنوع درون گونه ای در گونه های Hypnea (Rhodophyta, Gigartinales)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه زیست شناسی، دانشگاه سیستان و بلوچستان، زاهدان، ایران

2 گروه زیست شناسی، دانشگاه شهید بهشتی، تهران، ایران

چکیده

مطالعه حاضر به بررسی مورفومتری و تنوع ژنتیکی 24 جمعیت از Hypnea می‌پردازد. تجزیه‌ و تحلیل‌های آماری نشان داد که صفاتی مانند روش پیشروی انشعابات در زیستگاه، اندازه و موقعیت تتراسپورانژها نقش مهمی در تنوع درون گونه ای داشته است. در هر دو تجزیه‌ و تحلیل‌های مورفومتری و تنوع ژنتیکی، در گروه‌بندی جمعیت‌ها، گونه‌ها به خوبی از هم جدا شده‌اند اما جمعیت‌ها به خوبی از هم جدا نشده‌اند. تجزیه‌ و ‌تحلیل‌ها تنوع ژنتیکی و برخی درجات آمیختگی و تبادل ژنتیکی را بین جمعیت‌های مورد مطالعه نشان دادند.

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