
The frequency of contacts of centromere and telomere regions of polytene chromosomes in the karyotype of a midge Prodiamesa olivacea has been analyzed. The fact of non-random frequency of centromere regions contacts has been confirmed by statistical methods. These data are consistent with the diploid number of chromosomes equal to 10. The species has been announced as a “transitional form”, evolving towards reduction of the chromosome number.
Проанализированы частоты контактов политенных хромосом центромерными и теломерными участками в кариотипе хирономиды Prodiamesa olivacea. Статистически подтверждена неслучайность групп контактов центромерными участками, соответствующих диплоидному числу хромосом, равному 10. Вид анонсирован как «переходная форма», эволюционирующая по пути уменьшения числа хромосом.
PRODIAMESA OLIVACEA,ПОЛИТЕННЫЕ ХРОМОСОМЫ,POLYTENE CHROMOSOMES,ДИПЛОИДНЫЙ НАБОР ХРОМОСОМ,DIPLOID NUMBER OF CHROMOSOMES,НЕРЕГУЛЯРНЫЕ АССОЦИАЦИИ ХРОМОСОМ,THE IRREGULAR CHROMOSOME ASSOCIATIONS,ХРОМОЦЕНТР,CHROMOCENTER,МЕТОД ХИ-КВАДРАТ,CHI-SQUARED TEST
PRODIAMESA OLIVACEA,ПОЛИТЕННЫЕ ХРОМОСОМЫ,POLYTENE CHROMOSOMES,ДИПЛОИДНЫЙ НАБОР ХРОМОСОМ,DIPLOID NUMBER OF CHROMOSOMES,НЕРЕГУЛЯРНЫЕ АССОЦИАЦИИ ХРОМОСОМ,THE IRREGULAR CHROMOSOME ASSOCIATIONS,ХРОМОЦЕНТР,CHROMOCENTER,МЕТОД ХИ-КВАДРАТ,CHI-SQUARED TEST
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