Tag: genes

This jellyfish can live forever. Its genes may tell us how

This jellyfish can live forever. Its genes may tell us how

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Fleets of tiny translucent umbrellas, each about the size of a lentil, waft through the waters of the Mediterranean Sea. These miniature jellyfish, known as Turritopsis dohrnii, wave and grasp with their pale tentacles, bringing plankton to their mouths, as do many other jellyfish species adrift in the glowing water. But they have a secret […]

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Digging Deep: Is genetic recombination linked to expression of harmful traits?

Digging Deep: Is genetic recombination linked to expression of harmful traits?

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Most mammals, including humans, are diploid. That is, nuclear DNA (nrDNA) exists as pairs of chromosomes (humans have 23 pairs of chromosomes, while mice have 20). This pair of chromosomes are homologous, in that the sequence of genes on both the chromosomes is the same. However, a gene that sits on a particular address (‘locus’) […]

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