Esotropia and exotropia could have shared genetic risk factors based on findings that genetif duplications on chromosomes were risk factors for the diseases. Genetic duplications in the second, fourth ...

Down syndrome is a condition in which a person has a fully or partially duplicated copy of chromosome 21. (A chromosome is a structure made up of DNA and proteins found in the nucleus of each cell.) ...

During cell division, chromosomes are duplicated and separated so that one copy of each chromosome is inherited by each of the two emerging daughter cells. Correct distribution of chromosomes requires ...

For a living cell to divide successfully, each daughter cell must inherit the correct genetic material. In eukaryotes, segregation of duplicated chromosomes is performed by the mitotic spindle, a ...

Cell division is a process of remarkable precision: during each cycle, the genetic material must be evenly distributed between the two daughter cells. To achieve this, duplicated chromosomes, known as ...

In a recent study published in the Genes journal, researchers assessed the impact of PARK2 duplication or microdeletion on neurological diseases such as Parkinson's. The Parkinson's disease 2 (PARK2) ...

A diagram showing the evolution of vertebrate chromosomes from an invertebrate ancestor through two whole-genome duplication events (shown as starbursts). For simplicity, only one ancestral pair of ...

Plants tend to hoard DNA, not throwing anything out. The extra genes they hold inside can mutate to produce new physical traits. Holding onto the extra genes increases the tempo of evolution for the ...

In about one out of every 800 people, two chromosomes fuse together to form an unusual bond. These are known as Robertsonian chromosomes. It's a mystery that has long stumped scientists. Now, ...

Spontaneous errors in the earliest phase of cell division may be the reason why so many human embryos fail to develop normally, according to new research. In humans, a fertilized egg is no guarantee ...