chromosome

Down's syndrome is when you're born with an extra chromosome - and people with the condition are likely to have some level of learning disability.

From BBC ● Jul. 26, 2026

The fact that Neanderthal DNA is rare on the X chromosome does not, in itself, allow us to reconstruct Palaeolithic social organization or the sexual preferences of these populations.

From Science Daily ● Jul. 7, 2026

These chromosome groups, known as subgenomes, continue to evolve and interact long after the original hybridization events.

From Science Daily ● Jun. 19, 2026

Genetic tests can show your risk of Alzheimer’s disease, while other tests measure your telomeres—that’s the tip of the chromosome, whose length indicates biological age.

From Barron's ● May 21, 2026

Because the chromosome number for a given species is constant, the egg and the sperm, which are to unite to form a new individual, must carry to their union only half the species number.

From "Silent Spring" by Rachel Carson

Many characteristics go into determining someone’s sex: chromosomes, reproductive organs, hormonal balances, secondary sex characteristics like breast tissue and body-hair distribution.

From Slate ● Jul. 7, 2026

The condition “may involve chromosomes, hormones, reproductive organs or genitals.”

From Los Angeles Times ● Jul. 7, 2026

These so-called polyploid genomes contain multiple sets of chromosomes inherited from different ancestral species.

From Science Daily ● Jun. 19, 2026

The Y chromosomes in the Belgian remains were all characteristic of hunter-gatherers, but three-quarters of the mitochondrial DNA lineages had come from Neolithic farmers living further south.

From Science Daily ● May 30, 2026

Having pinpointed the location of gender-carrying genes to a single chromosome, Stevens proposed that all genes might be carried on chromosomes.

From "The Gene" by Siddhartha Mukherjee