Question

extra nuclear enheritance

Answer 1

Extranuclear inheritance or cytoplasmic inheritance is the transmission of genes that occur outside the nucleus. It is found in most eukaryotes and is commonly known to occur in cytoplasmic organelles such as mitochondria and chloroplasts or from cellular parasites like viruses or bacteria. 

Answer 2

Extra nuclear inheritance:

• In the context of the inheritance of 'genes of nuclear chromosomes', the genes from female and male parents provide equal contribution to the 'genetic constitution' of the offspring.

• Hence in this case, the reciprocal crosses made between parents of various homozygous genotype which might produce identical phenotypes offspring other than for sex-linked genes.

• Cytoplasmic inheritance or extranuclear inheritance is a mechanism of genes transmission that normally occurs outside the nucleus.

• This is a common function found in most of the 'eukaryotes' and is commonly known to occur in the 'cytoplasmic organelles' like mitochondria, chloroplasts and even the centrioles.

• It may also due to the invasion cellular parasites like viruses or bacteria in the 'host cells'.

To know more:

Which organelles are involved in cytoplasmic inheritance?

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Extra nuclear inheritance is a consequence of presence of genes in

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