Cytoplasmic male sterility (CMS) in plants is caused by mutation in the mitochondrial genome. CMS can be restored by a nuclear gene, restorer of fertility (Rf), which is a dominant character. 

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#Question id: 4319

#SCPH01 Biochemistry

Why are BRCA1 and BRCA2 considered to be tumor-suppressor genes?

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#Question id: 11971

#SCPH28 | Zoology

Over-the-counter medications for acid reflux or heartburn block the production of stomach acid. Which of the following cells are directly affected by this medication?

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#Question id: 297

#SCPH01 Biochemistry

The boiling point of water is exceptionally high because

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#Question id: 4375

#SCPH28 | Zoology

Protein X is found to bind to a certain geneʹs promoter only when substance A is not present.  The gene can be transcribed in the presence of both X and A. It is not transcribed in the presence of X alone. Protein X is a/an __. Substance A is a/an __.

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#Question id: 6963

#I Life Science/ Life Sciences Group – I-V

During early sea urchin development, which embryonic cells have similar organizer activity to that of amphibian Spemann organizer?