PATRICK DUMAS / EURELIOS / SCIENCE PHOTO LIBRARY PATRICK DUMAS / EURELIOS / SCIENCE PHOTO LIBRARY
Genetics research. Researcher labelling a petri dish containing germinating arabidopsis seedlings (Arabidopsis thaliana). A light microscope is seen in the background, and the mature plants are at right. This plant is used as a model organism in plant studies, including plant genetics. It has a relatively small genome for a plant, with only 5 chromosomes. It also grows and reproduces rapidly, taking only 6 weeks to pass through its entire life cycle. Another advantage is that it is relatively easy to manipulate its genome, for example by using bacteria to transfer new DNA to the plant's cells. Photographed at the Plant Development and Genome Laboratory at the University of Perpignan, France.
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