Cancer has been with us for a long time (page 2)

LoveUniHateExams

Cancer has been with us for a long time - indeed it has.

The article I read put the date of the fossil at 1.7 million years.

I'd hazard a guess that cancer has been around long before Australopithecus and Homo existed.

Vidqun

Yes, Cofty, emphasis here on pre-human. That's why they are referred to as apes and not humans. The fact they they walked upright has nothing to do with the price of eggs. Some apes do that.

LoveUniHateExams

The fact they they walked upright has nothing to do with the price of eggs. Some apes do that

Sorry for going off-topic, but I have to answer this.

The living great apes are 2 species of chimp, 2 species of gorilla, 2 species of orang-utan and us, Homo sapiens.

We are the only living species in this family that walks upright. Yes, Gorillas and chimps can walk upright. A gorilla would cross a swollen stream by walking upright - in much the same way a human would walk on all fours when exiting a smoke-filled building.

Chimps, gorillas and orangs walk on all fours.

Vidqun

Thanks LoveUniHateExams. That's the point I am trying to make. Walking upright doesn't prove anything.

cofty

The fact they they walked upright has nothing to do with the price of eggs. Some apes do that. - Vidqun

No they don't.

Walking upright doesn't prove anything. - Vidqun

Yes it really does.

In our previous conversation you told me about a very impressive array of professional qualifications that you have. I am certain it included anatomy.

So what are some of the anatomical differences between humans who walk upright and primates who can imitate upright walking for short distances?

How about the knee for example? What is the most significant difference between the human and primate knee joints?

If you are stuck let me know and I will give you a clue.

Vidqun

LoveUniHateExams said:

We are the only living species in this family that walks upright.

That's an important point, don't you think? Now, the difference between the human and primate knee is as important. That's one of the reasons why they are classified as they are. And that's the way it's going to stay, even for a million years. Or are we talking "Planet of the Apes" here? Only in Hollywood Cofty, only in Hollywood. By the way, I know of a lizard that can walk upright. It proves absolutely nothing.

cofty

Now, the difference between the human and primate knee is as important. That's one of the reasons why they are classified as they are. - Vidqun

So how do you explain hominin fossils of knee joints millions of years old that are designed for real upright walking like modern humans but come from species with cranium capacities of primates and show a mosaic of primate and human traits?

For example, teeth, jaws, wrist joints, hands, hip joints, skull features such as muscle attachment, the location of the foramen magnum, anatomy of the feet etc etc etc

You didn't answer my question. What is the most significant difference between the human and primate knee joints? You are a professional anatomist so this should be easy.

Vidqun

Another thing, the cancerous growth in the bone is identical with those of today. According to the evolutionary theory, the simian changed and became human. Why did the cancer stay the same? The same goes for horseshoe crabs and the coelacanth. These also stayed the same for millions of years. They are called living fossils. No evolutionary change there, I'm afraid.

WhatshallIcallmyself

Does cancer evolve?

Why would something evolve just for the hell of it?

Why do people who have no understanding of a subject behave as though they are more informed that the experts?

Vidqun

Are you talking about the sesamoid bones? Big difference between simian and human? And not something that will change without the help of the genetic engineers.

Cancer has been with us for a long time

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