Who's Afraid Of The Big, Bad Wolf? Coyotes (September 19, 2007) -- While the wily coyote reigns as top dog in much of the country, it leads a nervous existence wherever it coexists with its larger relative, the wolf, according to a new study. In fact, coyote ... > full story

Life As A Dog Means Faster Mutations (May 10, 2007) -- It may be hard to see that the Chinese crested dog is descended from the wolf, but it's easier to grasp that two poodles of different sizes are related. Now there is reason to believe that dogs of ... > full story

Dingo's Mother A Chinese Domesticated Dog (August 17, 2004) -- The Australian dingo descends from domesticated dogs that people from Southeast Asia brought with them to Australia some 5,000 years ago. Genetic studies indicate that it is probably a matter of a ... > full story

Evolution Of Sex Chromosomes: The Case Of The White Campion (February 2, 2005) -- Similarities in sex chromosome evolution have been reported between birds and mammals (although in birds, females are the heterozygous sex). In a new study, Michael Nicolas and colleagues uncover ... > full story

Children Should Not Be Left Unsupervised With Dogs, Say Experts (February 24, 2007) -- Children should not be left unsupervised to play with a dog, say experts in this week's British Medical Journal. Their advice is part of a review aimed at doctors who deal with dog ... > full story

What Makes Little Dogs Small? Researchers Identify Gene Involved In Dog Size (April 5, 2007) -- An international team led by researchers has identified a genetic variant that is a major contributor to small size in dogs. The researchers explored the genetic basis for size variation among dogs ... > full story

A Dog In The Hand Scares Birds In The Bush (September 12, 2007) -- New research showing that dog-walking in bushland significantly reduces bird diversity and abundance will lend support to bans against the practice in sensitive bushland and conservation areas. Until ... > full story

Images Of Evolution: DNA Leaves Fossils In The Dust (May 17, 2000) -- For new clues on evolution, DNA leaves fossils in the dust. Researchers from the Institut Curie in Paris are using new methods of species comparison to track the history of human chromosomes over a ... > full story

Scientists Clone First-Ever Bull (September 13, 1999) -- Scientists at Texas A&M; University have successfully cloned what is believed to be the first calf cloned from an adult bull, which is also the oldest animal ever cloned - a 21-year-old Brahman. Their ... > full story

Chromatin, Not Proteins, Support Chromosomes During Cell Division (October 29, 2002) -- When cells divide and transfer copies of genes to daughter cells, the process includes a phase where the replicated chromosomes are tightly condensed into durable packages called mitotic chromosomes. ... > full story

New Evidence Pushes Back Age Of Sex-Determining Chromosomes (October 29, 1999) -- Comparison of genes on the sex-determining X and Y chromosomes indicates that the ancestor of human sex chromosomes first arose from an identical pair of standard chromosomes approximately 240 to 320 ... > full story

Canine hybrids -- Canid hybrids are the result of interbreeding between two different members of the canine (dog) family (Canidae). The wolf (including the dingo), coyote, jackal, and domestic dog all have 78 ... > full article

Somatic cell -- A somatic cell is generally taken to mean any cell forming the body of an organism. Somatic cells, by definition, are not germline cells. In mammals, germline cells are the sperm and ova (also known ... > full article

African Wild Dog -- The African Hunting Dog, also called African Wild Dog, is a mammal of the Canidae family, and thus related to the domestic dog. It is the only species in its genus, Lycaon. They are, as their name ... > full article

Red Wolf -- The Red Wolf is the rarest and most endangered of all wolves. It is thought that its original distribution included much of eastern North America, where Red Wolves were found from Pennsylvania in the ... > full article

Hypoallergenic dog breeds -- Hypoallergenic dog breeds are those touted as being hypoallergenic; that is, provoking fewer allergic reactions in allergy sufferers. These breeds usually shed less dander and hair and are, ... > full article

Hinny -- A hinny is the offspring of a male horse and a female donkey (jennet or jenny). They are rarer than mules, which are the offspring of a male donkey (jackass or jack) and a female horse. Like the ... > full article

Coyote -- The coyote is a member of the Canidae (the dog family) and a relative of the domestic dog. Coyotes are only found in North America. Coyotes may occasionally assemble in small packs, but normally hunt ... > full article

Chromosomal crossover -- Homologous recombination is the process by which two chromosomes, paired up during prophase 1 of meiosis, exchange some distal portion of their DNA. Crossover occurs when two chromosomes, normally ... > full article

Therapy dog -- Therapy Dog refers to a dog trained to provide affection and comfort to people in hospitals, retirement homes, nursing homes, mental institutions, schools, and stressful situations such as disaster ... > full article

Companion dog -- Companion dog usually describes a dog that does not work, providing only companionship as a pet, rather than usefulness by doing specific tasks. Many of the toy dog breeds are used only for the ... > full article