Health
The Y chromosome is gradually disappearing, predicting that men have a new sex gene
The sex of a fetus in humans and other mammals is determined by a male-determining gene on the Y chromosome.
Chromosome
Browse ScienceInfo articles and explainers related to Chromosome.
Topic archive
Articles about Chromosome
152 published items.
Animal world
China deciphers DNA mystery that helps Tibetan antelope survive on plateau
Chinese scientists have successfully decoded the chromosome-level genome of the rare Tibetan antelope, with the aim of discovering the secret to their survival at high a…
Discover science
Why are there no male queen bees?
Male bees usually die after mating with the queen bee, but even if they survive, they cannot become a
Oceanography
Discovery of sex chromosomes 248 million years ago in octopuses
Scientists have discovered the oldest known sex chromosomes in octopuses and squids from 455 million to 248 million years ago - 180 million years earlier than the previo…
Cancer
How do cancer cells exist and grow in our bodies?
Cancer is a terrible disease that kills millions of people every year.
Science story
Scientists discover 'selfish' chromosome causes miscarriages
Scientists have found that miscarriages are often caused by the wrong number of chromosomes, also known as 'selfish chromosomes'.
Health
Scientists publish first complete human genome
A team of experts from the US National Human Genome Research Institute has published the first complete human genome, completing the work of previous scientists.
Biology
Scientists discover how termite colonies all female survive
An international team of scientists says the drywood female termite community from Japan is the result of random breeding.
Oceanography
Shocked by a series of modern creatures with body parts 600 million years ago
On the outside, they are ordinary modern sea creatures, but inside are chromosomes with an ancient structure preserved from 600 million years ago.
Animal world
These females do not need males to reproduce. The natural world is so strange!
The colorful animal world always makes us go from surprise to surprise, including that many animals can reproduce generations without the need for male sperm.
Animal world
The story of the 'human chimpanzee': Walking on two legs, liking women and the tragedy of the end of life
Chimpanzees are thought to have 48 chromosomes, humans have 46, and Oliver the chimpanzee has 47.
Scientific application
Gene editing to select sex for animals to reduce killing
Scientists have used gene-editing technology to create litters of all-female or male mice and are targeting chickens to prevent indiscriminate killing.
Life
Klinefelter Syndrome - Men carry the female gene
Klinefelter XXY syndrome occurs in about 1/5000 male babies alive. Possible manifestations: undeveloped testes, infertility, learning difficulties, language delay ...
Health
Japan successfully selected sex for artificial insemination rats
The separation of X chromosomes and Y chromosomes is difficult because there are no functional differences between these chromosomes.
Animal world
Scientists figured out how to calculate the lifespan of animals
Spanish geneticists have demonstrated that the length of lelomere (the repeat sequence of DNA at chromosome ends) reflects the average lifespan of not only humans, but a…