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extranuclear genes occur in plastids- and not inherited plasmid- and not inherited mitochondria- and inherited by female mitochondria- snd inherited by male

extranuclear genes occur in
  1. plastids- and not inherited
  2. plasmid- and not inherited
  3. mitochondria- and inherited by female
  4. mitochondria- snd inherited by male

Grade:12th pass

1 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
8 years ago
Extra nuclear genes:Genes included in the DNA present in organelles other than the nucleus, such as the mitochondria and chloroplasts, some of which code for the synthesis of proteins. The DNA of these organelles is inherited by the offspring via the cytoplasm of the gametes. In organisms in which one gamete is much larger than the other, so that the smaller gamete contains very little cytoplasm, one parent will contribute most or all of the extra nuclear genes. For example, humanmitochondrial DNAis passed from generation to generation through the maternal line in the ovum.

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