If trait are governed by polygenic. If plant genotype AABB  ( 8 cm height ) were cross with aabb ( 2 cm height ) produced F1 and allowed to selfing . which of the following phenotypic height are not observe in F2 plant if all gamete participate in fertilization ?

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#Question id: 10574

#Unit 10. Ecological Principles

Which of the following statements about the evolution of life histories is correct?

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#Question id: 28440

#Unit 5. Developmental Biology

A funnel-shaped depression at the center of Hensen’s node through which cells migrate to form the notochord and prechordal plate is called as___

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#Question id: 33700

#Unit 2. Cellular Organization

The particular chromosomal regions associated with a rDNA clusters are called as

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#Question id: 19886

#Unit 13. Methods in Biology

Gene cloning refers to the

I) Production of large number of copies of the gene being cloned

II) Production of asexual progeny from a single individual or a cell 

III) Mechanism of intake of DNA fragments from the surrounding medium by a cell

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#Question id: 2917

#Unit 2. Cellular Organization

With respect to the interconversion between open and condensed chromatin shown below: Which of the directions (i) or (ii) would you anticipate would be the consequence of the following types of chromatin modification?