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The genomic content of the nucleus is constant for a given species but extra chromosomal dna is found to vary in a population .explain

The genomic content of the nucleus is constant for a given species but extra chromosomal dna is found to vary in a population .explain

Grade:11

1 Answers

Arun
25750 Points
6 years ago
Dear student
 
The DNA content of the nucleus is constant for a given species. The haploid organisms have half the content of DNA than that of their diploid parents. The amount of DNA remains constant in all the members of a given species. On the other hand, the extrachomosomal DNA which occur either in the mitochondria or in chloroplast is found to be variable among the members of a population. In case of highly active organisms, the DNA (extrachromosomal) is found to be more as compared to less active ones.
 
Regards
Arun (askIITians forum expert)

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