Fathers may pass ovarian cancer risk to daughters
Scientists have identified a new gene for ovarian cancer risk that may be passed down from fathers to their daughters...
BioNews
Sex chromosome
One of the two chromosomes (X and Y) that determine the sex of an individual.
22 articles
Screen all chromosomes in prenatal embryo testing, says study
Current prenatal chromosome screening tests could miss rare chromosomal abnormalities and lead to inaccurate results...
Sperm from stem cells could help some types of male infertility
Cells from genetically infertile male mice have been turned into sperm, and used to produce healthy pups...
Prenatal test detects cancer in mothers
Abnormal results from a non-invasive prenatal test for fetal chromosome abnormality may indicate the presence of previously undetected cancers in some mothers....
Sperm smuggling and fatherhood from behind bars
The recent news reports that Ammar Zibden, a Palestinian imprisoned in Israel, has managed to smuggle his sperm out of prison and become a father highlight a number of problematic issues...
Men might escape extinction according to monkey Y chromosome study
Men may not be on the brink of extinction after all, according to a study on the evolution of the human Y chromosome. Previous research has suggested that the Y sex chromosome, carried only by men, is decaying genetically at such a rate that men would become extinct in five million years' time...
Sex determination possible at five weeks after conception
A test has been developed to determine the sex of a fetus from only five weeks old. The test relies on a blood sample from the mother and therefore carries no risk to the child...
Mice bred with two dads
American researchers have for the first time created mice with genetically two male parents. In a three-step process, utilising stem cell technology to create induced pluripotent stem cells (iPS)...
New technique will help scientists study abnormal testicles
Scientists have successfully grafted human testicle tissue into mice, allowing them to study for the first time how boys' testicles develop in the womb...
Girl or boy? It's in dad's genes
New research hints that whether a man has sons or daughters is influenced by his genes. The study, by Mr Correy Gellatly from Newcastle University, was published in the journal Evolutionary Biology last week. Mr Gellatly looked at 927 family trees from Europe and North America, detailing...