Keywords
autopoliplodiya
allopoliplodiya
sun'iy va tabiiy poliplodiya
How to Cite
Abstract
Polipolodiya hodisasi biologiya sohasiga tegishli bo'lib, organizm yoki hujayralarning xromosoma to‘plamining bir necha marta ko‘payishi natijasida yuzaga keladigan genetik hodisadir. Oddiy qilib aytganda, bu hujayrada xromosomalar sonining normal diploid (2n) holatdan oshib, uch, to‘rt yoki undan ko‘p marta ortishini anglatadi.Bu hodisa asosan o‘simliklarda keng tarqalgan bo‘lib, ularning evolyutsiyasi, hosildorligi va stress omillarga chidamliligini oshirishda muhim rol o‘ynaydi. Ko'p uchraydigan o'simlik, Bug‘doy, paxta, banan, qulupnay va boshqa ko‘p o‘simliklar poliploid turlarga misol bo‘la oladi.
References
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