ulotrksga oid masalalar va ularning yechimlari
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ulotrksga oid masalalar va ularning yechimlari 1. ulotriksni jinsiy ko`payishida 256 ta gameta hosil bo`lgan bo`lsa shu gametaning 25% dan zigota hosil bo`lgan. zigotaning 50% dan ulotriks iplari hosil bo`ldi. qancha ulotriks iplari hosil bo`lgan? a)64 b)32 c)128 d)16 yechimi 2 ta gametadan 1 ta zigota hosl boladi 1 ta zigotadan 4 ta ulotriks ipi hosil bo`ladi 256 ta gametadan 256 /2 = 128 ta zigota hosil bo`lishi kerak edi, lekin 25% dan zigota hosil bo`lgan 128 --- 100 % x ---- 25 % x = 32 ta zigota 32 ta zigotaning 50 % da nip hosil bo`ldi 32 ------ 100 % x -------- 50 % x= 16 bitta zigota 4 ta ulotriks ipi hosil qiladi 16 x 4 = …
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