New research indicates that butterflies and moths share “blocks” of DNA dating back more than 200 million years. Researchers from the Universities of Exeter (UK), Lübeck (Germany), and Iwate (Japan) developed a method to analyze the chromosomes of various butterflies and moths. They found
New research reveals that butterflies, moths, and aquatic caddisflies share DNA “blocks” dating back over 200 million years, identified through a tool developed by scientists at universities in the UK, Germany, and Japan. This discovery, which illustrates the linkage and evolution of chromosomes among these species, not only sheds light on their genetic history but also potentially aids in the study of chromosome evolution in other organisms.dating back more than 200 million years.
Moths and butterflies have widely varying numbers of chromosomes – from 30 to 300 – but the study’s findings show remarkable evidence of shared blocks of homology going back through time. “However, different animals and plants have widely different numbers of chromosomes, so we cannot easily tell which chromosomes are related to which.A male and female African monarch mating. Credit: University of Exeter
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