Showing posts with label genetics. Show all posts
Showing posts with label genetics. Show all posts

Genes from Wild Rice in Northern Australia

Lost handwriting skills

Genes in rice growing wild in the northern part of Australia hold the hope of transforming commercial varieties. It is planned to spice the DNA in the strains we eat. When cooked the Australian kind is much softer than common ones. It is someway off, but progress is being made. Plans are in train to begin the research. ~ Genes if from for Wild and Rice on in too Northern up Australia no Genes who from are Wild it Rice or in the Northern if Australia oil Genes we from see Wild do Rice at in hey Northern run Australia can Genes all from go Wild me Rice ho in ox Northern be Australia fit ~ ⦿ tie species pit he henry ret world gov population sub globally of nab wing set crocodile-infested new waters the key sum world's aye breeding zip international was hi researchers not grows zap billion pad max university for institute a nutritious tea genetic of consumed id arizona or ⦿ ∎ species australian henry world population globally research wing crocodile-infested waters key world's breeding international commercial researchers grows billion feed university institute nutritious genetic consumed arizona today ∎ || splice, laboratory, genetics, types, grain, chemistry, molecules, oryza, asian, food, cooking, ||
Australian wild rice

Misleading DNA Testing for Herpes, Alzheimer's and Coeliac Disease

Genetic testing should not be used for herpes, Alzheimer's or Coeliac disease.
It seems that genetic testing is not all good for health problems. MedicineWise, a body of doctors and patients, has released an advisory list for scientists. DNA testing should no be used for coeliac disease, nor for herpes or Alzheimer's.
DNA Testing
Identifying a "causative" gene only indicates a probability. Indeed, screening for herpes in genetic testing for sexually transmitted disease is a misuse of resources.  Millions of dollars of government funding is wasted every year. herpes

A DNA finding is not a black and white issue. Gene determination is not 100 per cent. Many people with a "faulty" gene do live without ever getting the so called predetermined disease. Furthermore, patients can be falsely reassured by a DNA test.
 Chemistry 

 
Coeliac, disease, Alzheimer's, herpes, health, genetics, false, predetermined, wrong, belief, faulty, gene

Temperature and Genes Determine Gender for Bearded Dragon

Zoology, animal biology, ethology studies the Australian central bearded dragon.
The sex of the central bearded dragon hatchlings is determined by the prevailing temperature during incubation. Some females carry male genes and behave like males. They are more confident and active than other females. The "tomboys" also have more offspring.
Australian central bearded dragon
Australian central bearded dragon
Of great interest is how genetic and climatic factors affect gender. In lab test incubation, if the temperature was over 32 degrees females with male chromosomes hatched as females. Below 32 degrees the dragon expressed its genetic disposition and hatched as males. High temperature females were larger than males which is normal for the species.

It appears that male type behaviors of these females is genetically determined. Some of the females were even bolder than normal males. Male chromosomes affect the brain which is driven to express male traits. Only one other animal has the feature of environmental and genetic factors determining sex - the skink.

Other animals use either temperature or genes for gender disposition. It is possible that they did have both mechanisms early in evolution. but one was lost. If the climate changes and becomes warmer animals who only use temperature would produce only males and could become extinct. The two remaining animals who use both features would survive whether the climate changed or remained the same.
 Zoology by Ty Buchanan 
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Depressive or a Happy Personality is Genetic

Your general outlook of is genetically linked, Whether you suffer from depression or are happy.
Depression can be an inherited trait. Research has shown this to be the case, so could a happy personality also be genetic? Of course, it will have not effect on creativity. Many high achievers through history has suffered from dark periods in their lives. It could be said that perpetually happy people have nothing to strive for and are less likely to leave their mark, unless they have careers as comedians.
Depression or happiness due to genes
Happy people do seem to have certain genes, however. Three gene variants are linked to a happy outlook, while two are causative factors for depression. A whopping 11 variants are responsible for neuroticism. If you are a pain in the .... to everyone else it could be those dozen or so genes - there is bound to be another gene in there somewhere.

The above findings were identified in a major study involving 3,000 participants. It was concluded that genetic causation was weak. Nonetheless, it was there. Life experiences were deemed to have a stronger influence in general mood. Note, that this is an opinion because the work did not specifically test this. Overall, it can be said that genes do affect a person's outlook and behavior.
 Genetics by Ty Buchanan 
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MOODY BLUES DNA
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DNA From Mucus Shows the Sex of Whales

Genetics: Scientists work on whales instead of cattle.
Work on cattle genetics has shown the way to determine the sex of whales using a sample taken from blow holes. Specimens are composed of water and mucous membrane material.  They are collected from the sea by people in dingies, canoes and kayaks. The process involves scooping with a six-metre long carbon-fibre pole.
Getting samples of whale mucus
A team of researchers has enjoyed the chance to get away from working with cattle. They have also done a genetic study of koalas. Improving cattle and meat are their priorities, however.  A few hundred samples are to be taken.  This compares to a half a million already collected from cattle.

While blow hole samples are used for whales, hair is taken from cattle. Researchers have identified favourable traits for cattle from DNA. The real problem is getting these into cattle. Farmers are the ones who breed animals, not researchers. It is no surprise to find the more direct work on whales a welcome change.
 Genetics by Ty Buchanan 
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Maya Sniffs Out Koala Scat

Genetics: Maya the dog sniffs out koala poo scat waste
Dogs like sniffing poo. Now they are being trained to sniff the poo of koalas. This is not unusual. In the United States trained dogs seek out the scat of wolves coyotes, lynx and bears.  Dogs are built for this type of work.
Maya the koala poo sniffing dog
Australian scientists want to know the location of koalas, what they are eating and their genetics. DNA can be obtained from the coating of cells. Humans searched a particular site and found no koala waste, but a trained dog pinpointed some.

Maya is the only dog working at the Sunshine Coast University to do such work. Crowd funding is being organized to train more dogs. Maya was rescued, so dogs in danger of being put down are going to be used.
 Genetics by Ty Buchanan 
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KOALA POO DOG
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Genomics is Applied Genetics

In the study of humans migration, genomics and genetics really mean the same thing. Genetics is applied by genomics which analyses the structure of genomes. As well as migration much light has been shed on the origin of certain diseases.
The evolution of man humans
Alcoholism has evolved in man because it was useful as a curative agent. It first occurred naturally from stored grain. Beer jugs were found with Stone Age people. Because it came from collected grains, alcohol and bread probably came into human culture at the same time, Alcoholism is a side effect of evolution. Benefits for Man outweighed this issue and anyway it could have started commerce via trade in beverages.

Having a particular gene predisposes groups of humans to sickle cell disease. It was said to be a disease of black gene pools. However, white people can develop the condition if they have the gene. 

There is a predisposition gene for type 2 diabetes, though this malady can be caused by diet and taking medications over a Long period.  Other gene related diseases include: Parkinson's, irritable bowel, prostate cancer, cystic fibrosis, autism (questionable) and so on.

Contrary to the mistaken view put forward by some scientists who should know better, humans never mated with Neanderthals. Each had a different number of chromosome so fertile offspring were not possible (see: Britannica).
 Genetics by Ty Buchanan 
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God Made Domestic Animals Calm

Do you want to see natural selection at work? Oddly it isn't really natural. Humans have been selecting for the most suitable domesticated animals for thousands of years. Farm animals today are much different from the wild type we first caught.
A calm bull cow friendly
While chickens are tagged for their fearfulness, they are not scared of people at all. Sure they get out of your way, but that is about it. Six gene variants are functioning in domestic chickens. These do not operate in their wild relative the red junglefowl. Consequently, the fowl is jumpy and flighty when put in farm conditions.

Cows in the slaughter yard know what is going to happen. Nonetheless, they do not scramble to get out. However, horses do not fit this pattern. They can be taken from the wild, broken in, then spend the rest of lives with people. Something done by God perhaps? I don't think so.
Genetics by Ty Buchanan 
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Genetic Treatment for Diabetes Type 2

Diabetics will not change their lifestyle food genetics
The hope of genetic treatment may be scuttled as it is becoming known that we have good and bad genes but their behavior depends on whether they are turned on or off. Apparently this changes throughout the day let alone over the years.

A new endeavor to study diabetes and diet could also be a waste of time. Even sufferers know that diabetes type 2 is caused by eating the wrong food. However, few people will change their lifestyle. A genetic predisposition could add to this. Yet, with the number of medications taken today the link between long term prescription use, genetics and food is a hard nut to crack. Including a third factor makes understanding the issue much more difficult.

As always, research will be done on mice for the genetic/food duo. Unfortunately, mice may be mammals, but they ain't human. Finding a cure for diabetes 2 is way down the track. Scientists will be messing around in the lab collecting data on mice for at least 10 years.
Genetics  by Ty Buchanan
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 #food #diabetes #diabetics #health #genetics #treatment #mice #lab
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DIET IS THE PROBLEM
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A Genetic Cause for Some With Gender Issues

Person with a gender issue
The reason why people feel that they were born in the wrong body in regard to being male or female is motivational. It can be genetic or cultural in nature. It is complicated. Like homosexuality there could be social reasons why this path is chosen. It could be enculturation as a child. On the other hand, individuals just have the feeling that behaving in such a way is natural for them.

Scientists have found that some people have an identification problem due to a genetic "condition". It is unfortunate that it has been called a disorder. An emotive argument is not needed. It has been given a name: craniosynostosis. The FGFR2 gene is mutated and causes sex reversal in the XY chromosomes.

About two per cent of the general population is born with a gender issue. This can have physical consequences such as endocrine complications, infertility or gonadal cancer. A baby born this way faces multiple surgeries. It should be noted, however, that people with a genetic cause for intersexuality number only 30 per cent of total "sufferers". Having an individual register with community-based support bodies is claimed to be beneficial, but this is unproven.
Genetics by Ty Buchanan
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GENE MUTATION CAUSES SEXUAL IDENTITY PROBLEMS

Australia's Exports of Genetic Material is Growing

Animal genetics in Australia is going strong. Exports of genetic material is growing particularly in Columbia, Chile and Mexico. The world generally is its oyster. 
Australian animal genetic exports semen
Semen is the primary export product. Chile imports bovine semen while sheep and goat semen is purchased by Columbia. Latin America is the main market. Australia has a way to go to reach the U.S. and Canada. However, it is quickly catching up.

The quality of Australian beef is high and breeds suit the climate of South America. Sheep and goats are highly regarded. Surprisingly, even canine semen is exported to SA. Embryos are also sent there.
Genetics by Ty Buchanan
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