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JIPMER2007BotanyCell - The Unit of Life

Genes for cytoplasmic male sterility in plants are generally located in

Options

  1. Amitochondrial genome
  2. Bcytosol
  3. Cchloroplast genome
  4. Dnuclear genome

Correct answer

A. mitochondrial genome

Step-by-step solution

Mitochondria are the eukaryotic cell organelles (do not present in prokaryotic cells). These originate from pre-existing mitochondria only. Mitochondria are also known as semi autonomous organelles because they contain a circular, double stranded DNA molecule, RNA and 70 S type of ribosomes. The genes, located outside of nucleus (i.e., within the cytoplasm) also governes some traits, are referred to as plasmogenes or cytoplasmic genes. Cytoplasmic male sterility (i.e., dominance of female cytoplasmic genes over mal

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