Why Noah's ark won't work

A Noah's Ark strategy will fail. In the roughest sense, that's the conclusion of a first-of-its-kind study that illuminates which marine species may have the ability to survive in a world where temperatures are rising and ...

Oldest case of a rare genetic condition discovered

A group of international researchers has uncovered evidence of a super rare genetic condition that gives men an extra X chromosome, reporting the oldest clinical case of Klinefelter syndrome to date.

Brazil adapting wheat production to tropics

Over decades, Brazil revolutionized its agriculture by adapting production of soybean, milk, meat and corn to tropical conditions. Now it aims to do the same with wheat.

Evolution by mistake

(PhysOrg.com) -- A major driving force of evolution comes from mistakes made by cells and how organisms cope with the consequences, University of Arizona biologists have found. Their discoveries offer lessons for creating ...

The Sahara olive tree: A genetic heritage to be preserved

The Saharan cousin of Mediterranean olive trees remains largely unknown. However, this subspecies (called the Laperinne's olive tree) is of great interest for several reasons. IRD researchers and their partners showed that ...

DNA survives critical entry into Earth's atmosphere

The genetic material DNA can survive a flight through space and re-entry into the earth's atmosphere—and still pass on genetic information. A team of scientists from UZH obtained these astonishing results during an experiment ...

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Genetic disorder

A genetic disorder is an illness caused by abnormalities in genes or chromosomes. While some diseases, such as cancer, are due in part to a genetic disorders, they can also be caused by environmental factors. Most disorders are quite rare and affect one person in every several thousands or millions. Some types of recessive gene disorders confer an advantage in the heterozygous state in certain environments. A haploid cell has only one set of chromosomes. A diploid cell has two sets of chromosomes. In human, the somatic cells are diploid, and the gametes are haploid.

Genetic diseases are typically diagnosed and treated by geneticists. Genetic counselors assist the physicians and directly counsel patients.[citation needed]

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