In a plant species, flower color purple is dominant over white. One such purple-flowered plant upon selfing produced 35 viable plants, of which 9 were white flowered and the rest were purple flowered. What fraction of these purple-flowered progeny is expected to be pure purple-flowered line?

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#Question id: 1427

#SCPH06 I Botany

 In females, all the cells in a tumor have the same inactive X chromosome. The reason for this is that:

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#Question id: 19374

#SCPH28 | Zoology

Transgene expression can be exploited in several different ways such as

1. Protein product itself may be an important biomolecule 

2. Protein itself may generate a valuable phenotype in the plan

3. Product may trigger a pathway endogenous to the plant

Which of the above statements are correct?

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#Question id: 1305

#SCPH28 | Zoology

Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through:

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#Question id: 12737

#SCPH28 | Zoology

 Name the technique which is used to detect abnormalities at an early stage.

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#Question id: 951

#SCPH06 I Botany

The changes that occur in cells that lead to its death are called ________.