Like the plastic aglets at the ends of shoelaces, telomeres normally protect the ends of chromosomes from instability and degradation – the hallmarks of cancer. Johns Hopkins University researchers ...

Scientists report adaptive divergence in cryptic color pattern is underlain by two distinct, complex chromosomal rearrangements, where millions of bases of DNA were flipped backwards and moved from ...

Robertsonian chromosomes (ROB) are a type of structurally variant chromosome that is created when two chromosomes fuse together to form an unusual bond. Found commonly in nature, these chromosomes are ...

Johns Hopkins Medicine scientists say their 20-year study of more than 200 people with premature aging syndromes caused by abnormally short telomeres, or shortened repetitive DNA sequences at the ends ...