Plants with genotype aabb have seeds that average 1 g in weight, whereas plants with genotype AABB have seeds that average 3.4 g in weight. Plant with genotype aabb is crossed with plant of genotype AABB. If the F1 plants are intercrossed to produced 2/8 proportional of F2 plant having expected seed weight

A  . 1.6        B- 2.8        C-  2.2       D. 1             E . 3.4  

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#Question id: 19458

#Unit 13. Methods in Biology

How phase contrast and DIC microscopy are used to image live cells and unstained tissues?

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#Question id: 2884

#Unit 2. Cellular Organization

When the temperature of a solution of DNA is raised to near the boiling point of water, the optical density, (called absorbance) at 260 nm markedly increases, a phenomenon known as hyperchromicity. Which of the following statement is INCORRECT from the given set of statements?

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#Question id: 1261

#Unit 4. Cell Communication and Cell Signaling

A FOXO3a mutant in which the three serine residues that are targets for PKB are mutated to alanine then what will be the result?

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#Question id: 10728

#Unit 10. Ecological Principles

Following table shows the number of individuals of different species in two communities, X and Y. Use Jaccard index determine the degree of similarity between X and Y community? 

     

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#Question id: 2878

#Unit 2. Cellular Organization

Match the following types of Transposable elements with their respective types and examples found in various organisms.

Transposon	Type	Example
1. F and G element	a. DNA-mediated	i. Drosophila
2. Ty elements	b. RNA-mediated	ii. Humans
3. Alu sequences	c. Poly-A retrotransposons	iii. Yeast
4. P-elements	d. Virus-like retrotransposons	iv. Mammals