bcwang
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Several weeks ago in my anthropology class we discussed social behaviour of mamals---especially primates. Our instructor, a quite attractive guy from Walse, pointed out to us that sexual activities between the same sex have been widely observed in many types of primates, among whom are bonobos and chimpanzees--genetically close relatives of humans. He assigned us further readings concerning this after class.
Bonobos's sexual activity is very much like human's. The estrus signals that suggest sexual receptiveness are always present in females. When sex happens, it is usually face-to-face, a behaviour uncommon in other primates but common in humans.
The most important thing here is that sexual activity is not limited to opposite-sex partners. females commonly rub genitalia with other females, and males will mount each other.
Many scientists suggest that the motivation for sex among bonobos
may be as much psychological and social as it is reproductive.
So the trait has been passed down probably because the function of it is the same as that of grooming: to prvent violence, to ease tension, to signal reconciliation... By maintaining a friendly relationship between group members, sexual activity between the same sex may help to increase each member's reproductive success. For instance, a bonobos in danger may get help from another whom it frequently groomed for or whom it had sex with.
Humans share 97-98% of genes with chimps, so it is possible that we all carry those genes that make us inclined for the same sex and they are expressed more clearly on some people. It is quite natural that homosexuality exists in human beings because that might be the way our ancestors behaved.
I think it's an interesting way to explain why you like guys...
But also notice that most chimps are bi-sexual, a fact that fails to explain why some of us are exclusively drawn to the same sex. Then again, human behaviours are much more complex than even the most intelligent primates so their behaviours are always extremely hard to explain.
By the way, I strongly suspect our instructor is gay himself:the way he dresses, walks, his well-defined figure. And he seems to want to "justify himself" by assigning us this topic..
Bonobos's sexual activity is very much like human's. The estrus signals that suggest sexual receptiveness are always present in females. When sex happens, it is usually face-to-face, a behaviour uncommon in other primates but common in humans.
The most important thing here is that sexual activity is not limited to opposite-sex partners. females commonly rub genitalia with other females, and males will mount each other.
Many scientists suggest that the motivation for sex among bonobos
may be as much psychological and social as it is reproductive.
So the trait has been passed down probably because the function of it is the same as that of grooming: to prvent violence, to ease tension, to signal reconciliation... By maintaining a friendly relationship between group members, sexual activity between the same sex may help to increase each member's reproductive success. For instance, a bonobos in danger may get help from another whom it frequently groomed for or whom it had sex with.
Humans share 97-98% of genes with chimps, so it is possible that we all carry those genes that make us inclined for the same sex and they are expressed more clearly on some people. It is quite natural that homosexuality exists in human beings because that might be the way our ancestors behaved.
I think it's an interesting way to explain why you like guys...
But also notice that most chimps are bi-sexual, a fact that fails to explain why some of us are exclusively drawn to the same sex. Then again, human behaviours are much more complex than even the most intelligent primates so their behaviours are always extremely hard to explain.
By the way, I strongly suspect our instructor is gay himself:the way he dresses, walks, his well-defined figure. And he seems to want to "justify himself" by assigning us this topic..