Sir, in a dihybrid test cross why do we get 1 : 1 : 1 : 1 and not 9 : 3 : 3 : 1? Both are crosses of the F1.
Doubts
5 Biology doubts are waiting from your three batches. The oldest is from Kavin R., asked yesterday afternoon. Four students asked about the Krebs cycle this week.
- Waiting
- 5 all Biology
- Oldest
- 1day Kavin R. · Repeaters
- Answered this week
- 14 3 became class FAQs
- Your usual reply time
- 5hours same as last week
Doubt inbox
Principles of Inheritance and Variation
1 waitingPlant Growth and Development
1 waitingWhich hormone makes cabbage bolt before flowering? I thought stem elongation was auxin's job.
Respiration in Plants
2 waiting4 students asked about the Krebs cycle this week — answer once for all. Two are still waiting here.
What is the first product of the Krebs cycle, and how many carbon atoms does it have? My notes and this page look different.
Sir, how many NADH and FADH₂ come from one glucose in the Krebs cycle alone? I keep getting 3 NADH.
Excretory Products and their Elimination
1 waitingWhy is the descending limb of Henle's loop permeable to water but almost impermeable to electrolytes, and the ascending limb the opposite? What would go wrong if both let water through?
No doubts waiting here
Every doubt from this batch is answered. New ones show up here with the student's photo.
- ASAnjali Suresh · NEET Long-term AWhy doesn't RuBisCO photorespire in C4 bundle sheath cells? · answered today 8:15 am · voice note 1:42 Helped
- DLDivya Lakshmi · NEET Long-term AWhere in the cell does the Krebs cycle run? · answered Sat 3 Oct · added to class FAQ FAQ
- GRGokul Raj · NEET Long-term BWhy is the Krebs cycle called amphibolic? · answered Fri 2 Oct Answered