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Latest Inbreeding Stories

Low Genetic Diversity Spells Bad News For Koalas
2012-10-24 14:41:12

Brett Smith for redOrbit.com - Your Universe Online When populations of animals are under threat, a major concern surrounding their potential for survival is the genetic diversity within the population. A high level of genetic diversity makes for a resilient population, while low genetic diversity could be a red flag for conservationists. In a new study, an international team of researchers has investigated the genetic diversity of the koala population and found through both historical...

Female Pit Vipers Give Birth Without Mating
2012-09-12 12:04:30

Brett Smith for redOrbit.com - Your Universe Online In what could be the ultimate act of feminism, wild female North American pit vipers have been shown to give birth without mating, according to a new report published in the Royal Society's Biology Letters. A phenomenon, known as facultative parthenogenesis (FP), has been observed in captivity before and the report asserts that it can occur regardless of the presence of male individuals. “In these populations, males are...

Mountain Lion Kittens Discovered To Be Product Of Inbreeding
2012-08-03 16:52:18

Brett Smith for redOrbit.com - Your Universe Online In what should have been a happy occasion, the celebration of twin mountain lions´ birth, officials with the National Park Service were tempered by the discovery that two kittens -- a male and female -- are the second documented case of inbreeding at the Santa Monica Mountains National Recreation Area. According to officials, the two kittens, called Puma 23 and 24, are likely the product of a father lion that mated with his female...

Promiscuous Queen Bees Maintain Genetic Diversity
2012-04-16 12:53:53

[ Watch the Video ] By mating with nearly 100 males, queen bees on isolated islands avoid inbreeding and keep colonies healthy. The results, published in the current issue of PLoS ONE, focused on giant honey bee colonies on Hainan Island, off the coast of China. Since these bees have long been separated from their continental cousins, it was thought that the island bees would be prime candidates for inbreeding as well as having very different genes, said Zachary Huang, Michigan State...

2012-04-05 21:08:21

TAU breeds population of lab mice with genetic diversity closer to humans With a 95 percent genomic similarity to humans, mice have long been used to learn about the genetic causes of human disease. Once researchers can shine a light on the genetic factors that cause disease in mice, they can start to develop prevention and treatment options to protect the human population. But this process, called genetic mapping, is a long and difficult road, made more challenging by the 5% difference...

2012-01-16 10:45:06

For a bigger harvest and faster results: The University of Hohenheim, the MPI for Molecular Plant Physiology and the Leibniz Institute of Plant Genetics and Crop Plant Research in Gatersleben start a new chapter in plant breeding In order to breed new varieties of corn with a higher yield faster than ever before, researchers at the University of Hohenheim in Stuttgart, Germany, and other institutions are relying on a trick: early selection of the most promising parent plants based on their...

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2011-07-24 05:50:00

A new National Oceanographic and Atmospheric Administration (NOAA) study has raised concerns that killer whales in the Puget Sound could be facing a loss of genetic diversity due to inbreeding. The NOAA study, which was published online this month in the Journal of Heredity, followed the Washington-based whale species and studied their mating habits. They discovered that some of the offspring had been produced as a result of matings within the same pod or social subgroup, the researchers said...

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2011-07-21 05:20:00

New research has found that in urban fox families, the mothers are the ones who decide which cubs stay and which must leave. Red foxes have successfully established themselves in urban areas, living in family groups with a dominant male-female pair and a varying number of subordinate adults, according to the researchers. Some of the cubs remain in the family group for the rest of their lives, while others leave to search for another family to join. Scientists have hypothesized what drives...

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2010-11-05 10:23:16

A research team led by Teh-hui Kao, professor of biochemistry and molecular biology at Penn State University, in collaboration with a team lead by Professor Seiji Takayama at the Nara Institute of Science and Technology in Japan, has discovered a large suite of genes in the petunia plant that acts to prevent it from breeding with itself or with its close relatives, and to promote breeding with unrelated individuals. In much the same way that human inbreeding sometimes results in genetic...

2010-07-02 16:17:35

Fewer males than females are surviving the negative effects of inbreeding in a reintroduced population of a rare New Zealand bird, reports new research published in Proceedings of the Royal Society B. Studying a population of the endangered New Zealand Hihi, researchers from the Zoological Society of London found that male survival rate was 24 per cent lower than their female siblings during early development, and as chicks. The researchers analysed 98 clutches on Tiritiri Matangi Island, a...


Word of the Day
cruet
  • A vial or small glass bottle, especially one for holding vinegar, oil, etc.; a caster for liquids.
This word is Middle English in origin, and ultimately comes from the Old French, diminutive of 'crue,' flask.
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