Science ❯ Biology ❯ Genetics

Chromosomes

X Chromosome Y Chromosome Sex Chromosomes Aneuploidy X and Y Chromosomes Y Chromosomes Transposons Protein Linkages Fossilized Chromosomes Extinct Species Three-Dimensional Structure Ancient DNA Gender Identification Sex Determination Differences of Sex Development X Chromosome Dynamics DNA Looping Cohesinopathies X Chromosome Activation Telomeres 3D Modeling Polyploidy Gene Variations Robertsonian Chromosomes Meiosis Trisomy 21 Atlas Blue Butterfly Atlas-Bläuling X Chromosome Theory Genome Structure X Chromosome and Autism

Excess HMGN1 Identified as Driver of Down Syndrome Heart Defects

Researchers trace Down syndrome heart defects to excess HMGN1 using mosaic cell models, CRISPRa screens, with rescue confirmed in mice.

Sexual Selection, Not Just Chromosomes, Drives Lifespan Gaps Between Males and Females

Nature Studies Find Holliday Junctions Secure Crossovers and Stabilize the Chromosome Zipper

Scientists Map Precise Breakpoint Driving Human Robertsonian Chromosome Fusions

Atlas Blue Butterfly Confirmed to Hold Animal Record With 229 Chromosome Pairs

Maternal Age and Genetics Linked to Skewed Birth Sex Ratios

Coordinated Loss of the Y Chromosome in Tumors Linked to Poor Cancer Survival

Daily Vitamin D3 Supplementation Slows Cellular Aging by Preserving Telomeres