When two independent pure lines AAbb and aaBB of pea with white flowers are crossed, the F1 progeny has purple flowers. Gene A and B link at 20 map unit. The following conclusions were made

A. When an heterozygous individual of the genotype AaBb is test crossed, progenies with purple and white in a ratio of 1:3

B. When an heterozygous individual of the genotype AaBb is test crossed, progenies with purple and white in a ratio of 1:9

C. This is an example of complementary gene action

D. The F2 progeny obtained on selfing shows both pruple and white flower in a ratio of 9:7                                            

Which of the following conclusions are correct?

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#Question id: 5592

#Unit 5. Developmental Biology

The processes by which the three ectodermal regions are made physically and functionally distinct from one another is called:

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#Question id: 28840

#Unit 2. Cellular Organization

Which of the following 8-subunit protein complex that binds to sites along the microtubule and recruits γ-TuRC, which nucleates a new microtubule to form a microtubule branch?

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#Question id: 19816

#Unit 12. Applied Biology

Antisense RNA, in its simplest form, can be produced by _____with respect to the promoter in an expression 

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#Question id: 24440

#Unit 13. Methods in Biology

If the R-R interval is 800 msec (0.8 sec), what is the heart rate?

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#Question id: 33372

#Unit 1. Molecules and their Interaction Relevant to Biology

All turns secondary structures are characterised by

a. Dihedral angle values

b. Hydrogen bonding 

c. i+1 residues