Diduragay chatishtirishga oid masalalar

AaBbCcDd

A

B b

C c C c

D d D d D d D d

a

B b

C c C c

D d D d D d D d

Quyidagi genotipga ega bo`lgan organizmlardan qaysi biri B tipidagi gametalar berishi mumkin?

• AaBBCcDd
• AaBBCCDd
• AABBCcDD
• AaBbCcDd

Triduragay chatishtirishga oid masala yechish

1. qo`yko`z – Aa; sepkilli – Bb; taram-taram – Cc

2. P: ♂AaBbCc x ♀AaBbCc

3. G: ==8 ta gameta: = 64 ta kombinatsiya

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Barcha belgilari bo`yicha getero-zigota qo`yko`z, sepkilli, taram-taram sochli erkak va ayol oilasida tug`ilishi mumkin bo`lgan farzandlarning genotipik sinflari soni tog`ri berilgan javobni toping.

A)27 B)12 C)8 D)18

4. →genotipik sinflar soni: n= =27 ta.
5. →fenotipik sinflar soni: n= =8 ta:

Triduragay chatishtirishga oid masala yechish

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