The genome of Caenorhabditis elegans consists of

3 billion base pairs and 30,000 genes

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12 million base pairs and 6000 genes

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4.7 million base pairs and 4000 genes

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97 million base pairs and 18,000 genes

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Solution

The correct option is A 97 million base pairs and 18,000 genes
Caenorhabditis elegans is a microscopic (~1 mm) nematode that normally lives in soil and has 5 A pairs of autosomes and 2 X-chromosomes. It has around 19–20,000 protein-encoding genes which are present in around 100 million base pairs of DNA thereby providing excellent example of c-value paradox. Option D is correct.

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