73. Bugʼdoy donining rangi polimer tipda irsiylanadi. Pushti rang tetrapoid navli bugʼdoy oʼzaro chatishtirilishidan olingan donning endosperimidagi polimerlar sonini toping.
A) 12 B) 24 C) 32 D) 8
🟢@Biomasala_new @Biomasala_new🔴
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✍ @Doniyor_Muxtorjonovich
A) 12 B) 24 C) 32 D) 8
Yechimi👇👇👇👇👇👇👇
Qizil (2n) x. Oq (2n)
A¹A¹A²A² x. a¹a¹a²a²
(n) | .| (n)
A¹A² pushti a¹a²
A¹a¹A²a²
(2n)
🔷Diploid(2n) navli bugʻdoydagi polimer genlar soni👇👇👇
Mikrosporasida ------2 ta
Somatik hujayrasida--4 ta
Endospermasida -----6 ta
🔷tetraploid(4n) navli bugʻdoydagi polimer genlar soni👇👇👇
Mikrosporasida ------4 ta
Somatik hujayrasida--8 ta
Endospermasida -----12 ta
Javob: A) 12
🟢@Biomasala_new @Biomasala_new🔴
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M-mikrosporasi
S-somatik hujayrasi
E-endospermasi
2n-diploid navli bugʻdoy
4n-tetraploid navli bugʻdoy
-------------------------------
| | M(n) | S(2n) | E(3n) |
|2n-nav | 2 ta | 4 ta | 6 ta |
|--------|------- |-------|-------|
|4n-nav | 4 ta | 8 ta | 12 ta |
-------------------------------
Javob: A) 12
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✍ @Doniyor_Muxtorjonovich