Certain DNA sequences can form structures other than the canonical double helix. These alternative ... same short sequence back-to-back along a chromosome," said Linnéa Smeds, a postdoctoral ...

Chances are you've seen an illustration of DNA's double-helix structure and even pictures of the chromosomes that make up the human genome. But where and how does the famous double helix fit into ...

This organization can be explained by weak interactions between nucleosomes, which are the repetitive blocks that fold the DNA double helix ... dimensions of the chromosomes compacted during ...

In 1953, Francis Crick and James Watson described the molecular shape of DNA as a "double helix." Double-stranded ... Additionally, DNA chromosomes are often recognized and depicted as X-shaped ...

This organization can be explained by weak interactions between nucleosomes, which are the repetitive blocks that fold the DNA double helix. An article by UAB professor Joan-Ramon Daban analyzes ...

DNA is packed into chromosomes, which form genetic information ... B-DNA is the most common form of DNA and has a right-handed double helix structure. A-DNA forms in a shorter, right-handed ...

These findings help us better understand the structure and function of our chromosomes. They also provide insight into how disruption of twisted DNA looping can affect health—for instance, in ...

They also have different shapes: DNA forms a double helix, while RNA is a single helix. Genes and chromosomes are both different types of genetic material. Chromosomes are thread-like structures ...

If the cell’s copying machinery started at the tip of each of the 46 chromosomes at the ... doesn’t start correctly. For DNA to be copied, the DNA double helix must open up, and the resulting ...

The discovery of DNA's double helix structure 70 years ago opened up a world of new science — and also sparked disputes over who contributed what and who deserves credit. Much of the controversy ...