Science ❯ Biology ❯ Genetics

Chromosomes

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

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