It’s not clear why these backups have evolved. The new Y chromosome sequences could spell change for metagenomics research, which involves sequencing microbial genomes. Human DNA contaminants often ...

A chromosome is a single, long molecule of DNA. These highly organized structures ... The sex chromosomes in humans are called X and Y. Females carry two X chromosomes, while males carry one ...

New research funded by the National Institutes of Health has generated the first complete chromosome sequences from non-human ... the X and Y chromosomes consists of repetitive DNA sequences ...

mirroring the degeneration of the Y chromosome in male humans. The modification successfully induced blood chimerism—a condition where an individual has two sets of genetically different cells, in ...

The researchers analyzed changes to gene expression in ecDNA formed by HPV and human DNA hybridization in oropharyngeal tumor ...

Small cellular organelles called mitochondria contain their own circular DNA ... of modern humans. Nature 408, 708-713 (2000) doi:10.1038/35047064 (link to article) Man, P. Y., ...