It has been known for some time that sexual orientation / gender is determined during the development of an organism, in higher animals [and humans] this occurs during embryonic development but in other, such as rats, this occurs shortly after birth. Researchers can change the sexual orientation of rats by injecting female hormones into male rats resulting in the rats behaving as if they were female and vice versa. In the 1950's researchers at Syracuse University [New York] shower that genetically male chickens exposed to DDT grew up and acted like hens.
There has been little research on the effects of chemicals on humans and extrapolating field studies on wildlife and laboratory experiments to humans is controversial. Given that the hormones controlling development have stayed constant throughout vertebrate evolution, the hormones controlling development of tadpoles into frogs are the same as which control human sexual development. Theo Colborn, a researcher at University of Wisconsin, has raised the question that if these chemicals are causing a worldwide decline in frog populations what effects are they having on humans? There has apparently been an increase in human diseases and congenital abnormalities that could be linked to hormonal disruption.
What does this mean for the transgender community? The jury is still out as far as a direct cause and effect, but there is some anecdotal evidence.
It has been known for some time that sexual orientation / gender (These two terms are not the same) (In Humans, Gender is a part of pre-mortal, moral and post mortal identity) is determined during the development of an organism, in higher animals [and humans] this occurs during embryonic development but in other, such as rats, this occurs shortly after birth. Researchers can change the sexual orientation of rats by injecting female hormones into male rats resulting in the rats behaving as if they were female and vice versa. In the 1950's researchers at Syracuse University [New York] shower that genetically male chickens exposed to DDT grew up and acted like hens. (but they didn't lay eggs!)
There has been little research on the effects of chemicals on humans and extrapolating field studies on wildlife and laboratory experiments to humans is controversial. Given that the hormones controlling development have stayed constant throughout vertebrate evolution, the hormones controlling development of tadpoles into frogs are the same as which control human sexual development. Theo Colborn, a researcher at University of Wisconsin, has raised the question that if these chemicals are causing a worldwide decline in frog populations what effects are they having on humans? There has apparently been an increase in human diseases and congenital abnormalities that could be linked to hormonal disruption.
What does this mean for the transgender community? The jury is still out as far as a direct cause and effect, but there is some anecdotal evidence.)
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I'm sticking w/ frogs.
Tadpoles develop into males or females depending upon environmental conditions rather than chromosomes.
There has been little research on the effects of chemicals on humans and extrapolating field studies on wildlife and laboratory experiments to humans is controversial. Given that the hormones controlling development have stayed constant throughout vertebrate evolution, the hormones controlling development of tadpoles into frogs are the same as which control human sexual development. Theo Colborn, a researcher at University of Wisconsin, has raised the question that if these chemicals are causing a worldwide decline in frog populations what effects are they having on humans? There has apparently been an increase in human diseases and congenital abnormalities that could be linked to hormonal disruption.
What does this mean for the transgender community? The jury is still out as far as a direct cause and effect, but there is some anecdotal evidence.
It has been known for some time that sexual orientation / gender (These two terms are not the same) (In Humans, Gender is a part of pre-mortal, moral and post mortal identity) is determined during the development of an organism, in higher animals [and humans] this occurs during embryonic development but in other, such as rats, this occurs shortly after birth. Researchers can change the sexual orientation of rats by injecting female hormones into male rats resulting in the rats behaving as if they were female and vice versa. In the 1950's researchers at Syracuse University [New York] shower that genetically male chickens exposed to DDT grew up and acted like hens. (but they didn't lay eggs!)
There has been little research on the effects of chemicals on humans and extrapolating field studies on wildlife and laboratory experiments to humans is controversial. Given that the hormones controlling development have stayed constant throughout vertebrate evolution, the hormones controlling development of tadpoles into frogs are the same as which control human sexual development. Theo Colborn, a researcher at University of Wisconsin, has raised the question that if these chemicals are causing a worldwide decline in frog populations what effects are they having on humans? There has apparently been an increase in human diseases and congenital abnormalities that could be linked to hormonal disruption.
What does this mean for the transgender community? The jury is still out as far as a direct cause and effect, but there is some anecdotal evidence.)
____________________________________________________________
I'm sticking w/ frogs.
Tadpoles develop into males or females depending upon environmental conditions rather than chromosomes.
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