PATIENTS with the clinical syndrome of mongolism have been shown to have 47 chromosomes instead of the 46 that are present in the normal human karyotype. 1–3 The additional chromosome, a member of the ...

Finding a new species is a rare event in easy-to-see and well-studied organisms like butterflies, especially if they inhabit well-explored areas such as Europe. Researchers have now discovered the ...

This is an image of all 46 chromosomes of the cured WHIM syndrome patient shows that one copy of chromosome 2 (red box) is significantly shorter than the other, a loss of genetic material caused by ...

Humans carry 46 chromosomes. We get one from each parent, making 22 pairs of autosomal chromosomes, and one pair of sex chromosomes. Women usually carry two X (sex) chromosomes, while men typically ...

The mass of human chromosomes, which contain the instructions for life in nearly every cell of our bodies, has been measured with X-rays for the first time in a new study led by UCL researchers. Mass ...

I expected to discover myself in my DNA test. But I found us all. “And he made from one man every nation of mankind to live on all the face of the earth, having determined allotted periods and the ...

The mass of human chromosomes, which contain the instructions for life in nearly every cell of our bodies, has been measured with X-rays for the first time in a new study led by UCL researchers. For ...

EDINBURGH, Scotland, Nov. 21 (UPI) --Only half of each chromosome is made up of DNA material. An unexplained sheath accounts for most of the rest of the material inside a chromosome. Until now, ...

IN 1961 Oikawa and Blizzard 1 described an eleven-year-old phenotypic male with bilateral undescended testes, clinical features of Turner's syndrome, a positive buccal smear and absence of a Y ...

Scientists at the Sloan Kettering Institute have solved the puzzle of how small chromosomes ensure that they aren’t skipped over during meiosis, the process that makes sperm and egg. From avocado ...