News

Crossover occurs when two chromosomes, normally two homologous instances of the same chromosome, break and then reconnect but to the different end piece.
Hundreds of potential crossover sites exist within a single cell, but only a limited number become actual crossovers. This selection process is crucial for maintaining genetic integrity. If crossovers ...
Researchers at the IPK Leibniz Institute have discovered a previously unknown protein that is central to plant reproduction.
While females typically have two X chromosomes, males have one X chromosome and one Y chromosome. ... Based on the patterns of crossover between the X and the Y chromosomes of these species, ...
The chromosome theory was introduced by W. S. Sutton and confirmed by Nettie Stevens and E. B. Wilson. ... Mathematically, a crossover percentage greater than 50% is not possible.
New research shows how complex that process is, and it pinpoints a step in the process that can go awry, leading to sex-chromosome diseases or infertility. IE 11 is not supported.
Scientists have discovered that the Y chromosome, crucial for male development, is gradually disappearing. This loss, occurring in some men's cells around age 50, is linked to increased risks of ...
Increased risk for autism appears to be linked to the Y chromosome, a Geisinger Health System study has found, offering a new explanation for the greater prevalence of autism in males. The results ...
Approximately 80% of orange cats are males, including the four orange cats owned by the Short Wave team. Scientists have long suspected that orange color was a sex-linked trait — hiding ...
Curiously, the researchers were able to deduce that there have been several bursts of growth in the chromosome’s existence over the last 11 million years. What drove those bursts is still a mystery.