Cytologists had been studying chromosome behavior since the late 19th century. Why did it take until 1956 to figure out the correct human chromosome number, thanks to Joe Hin Tjio and Albert Levan?

Centromere placement can also be used to identify the gross morphology, or shape, of chromosomes. For example, metacentric chromosomes, such as chromosomes 1, 3, and 16, have p and q arms of ...

Klinefelter syndrome is a genetic condition in which a boy is born with an extra X chromosome. Instead of the typical XY chromosomes in men, they have XXY, so this condition is also called XXY ...

The nucleus of each human body cell contains 46 chromosomes. Each chromosome contains about 1000 genes. There is enough DNA in all the cells in a human body to stretch to the sun and back again ...

Three kinds of telocentric chromosomes may be expected to arise and one of them will have a centromere similar to that of a metacentric chromosome. (2) Examples of telocentric chromosomes are listed ...

She also became the first to describe the morphology of the ten maize chromosomes, basically their form and structural relationships, which then allowed her to discover more about the chromosomes.

Increased risk for autism appears to be linked to the Y chromosome, a study has found, offering a new explanation for the greater prevalence of autism in males. Increased risk for autism appears ...

In the 1980s, scientists knew little about the X and Y chromosomes. What they did understand was that every cell in the body contains 23 pairs of chromosomes. Each of these pairs is similar ...

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The internal structure of words and the segmentation into different kinds of morphemes is essential to the two basic purposes or morphology: the creation of new words and the modification of existing ...

The microscopic animal has radiation-resistant genes that could have applications in space, crops and medicine, Chinese researcher says A microscopic creature, known as the most diehard animal on ...

The International Olympic Committee has defended its decision to allow the two boxers to compete in the Paris 2024 Olympics amid a gender row (Shutterstock/Barou abdennaser) This election is still ...