Giant chromosomes, SEM
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Giant chromosomes, SEM
Giant chromosomes. Colured scanning electron micrograph (SEM) of giant (polytene) chromosomes from a fruit fly (Drosophila busckii). These chromosomes are formed from repeated rounds of DNA (deoxyribonucleic acid) replication without nuclear division. A process known as endoreduplication. Identical strands sit side by side. The characteristic banding pattern corresponds to areas of high and moderate DNA density. The polytene chromosomes increase cell volume and metabolic rate, as there are more genes to be expressed. The size of the chromosomes also allows for easy study by scientists. Magnification: x700 when printed at 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9322807
© POWER AND SYRED/SCIENCE PHOTO LIBRARY
Animal Body Banded Bands Chromosome Chromosomes Drosophila Busckii Fruit Fly Genetic Giant Polytene Strand Strands Deoxyribonucleic Acid Genetics
EDITORS COMMENTS
This print showcases the intricate beauty of giant chromosomes from a fruit fly, captured using a scanning electron microscope (SEM). The vibrant colors and detailed structure highlight the fascinating world of biology and genetics. These polytene chromosomes are formed through multiple rounds of DNA replication without nuclear division, a process known as endoreduplication. The identical strands of DNA sit side by side, creating a characteristic banding pattern that corresponds to areas of high and moderate DNA density. This unique feature allows scientists to easily study these chromosomes in detail. With an impressive magnification level of x700 when printed at 10 centimeters wide, this image provides an up-close look at the genetic material within the fruit fly's body. These giant chromosomes play a crucial role in increasing cell volume and metabolic rate due to their abundance of genes waiting to be expressed. They serve as vital components for understanding genetic mechanisms and conducting research in various fields such as biology, anatomy, and genetics. As we delve into this mesmerizing snapshot taken by Science Photo Library, we gain insight into the complex world hidden within our smallest companions - insects like Drosophila busckii - shedding light on the wonders that lie beneath their seemingly simple exteriors.
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