1. Qora rangli (AA) molni qizil langli (aa) buqa bilan chatishtirish natijasida F1 da qanday natija kutish mumkin?

10. Shoxsiz mol bilan (AA) shoxli (aa) buqani chatishtirish natijasida F₁ da qanday buzoqchalar kutish mumkin?

A)shoxsiz B)shoxli C)75% shoxsiz, 25% shoxli

D)50% shoxli, 50% shoxsiz

11. Qanday chatishtirishda belgilarning ajralishi fenotip bo’yicha 9:3:3:1 nisbatda, genotip bo’yicha 1:2:2:4:1:2:1:2:1 nisbatda bo’ladi

A)taxliliy chatishtirishda B)tetraduragay chatishtirishda

C)monoduragay chatishtirishda D)diduragay chatishtirishda

12. Mendelning II qonuniga ko’ra birinchi avlod duragaylari o’zaro chatishtirilganda F_2­ da har xil genotiplar soni nechta bo’lishini belgilang.

A)3 B)6 C)9 D)12