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ROLCAM · Mar 25, 2009, 01:10 AM

Do human populations develop and change ?

Clough · Mar 25, 2009, 01:27 AM

Hi, ROLCAM!

Are you looking for any specific ways that populations change? Also, what specifically do you mean by "human populations", please?

What a human population is can mean different things.

Of course human populations can and do develop and change in many ways.

Thanks!

ROLCAM · Mar 25, 2009, 01:50 AM

I believe that this paragraph is very pertinent:-

Scientists have shown that the gene pools of human populations can change over time. The presence of some genes increases, while the presence of other genes declines. As gene frequencies change, the frequencies of physical characteristics in a population may also change. Such changes can result from a number of different factors, including (1) natural selection, (2) mutation, (3) genetic drift, (4) the founder effect, and (5) migration and gene flow.

ROLCAM · Mar 25, 2009, 01:51 AM

CLOUGH,

Of course human populations can and do develop and change in many ways.

What are your personal views on this ?

Rolcam.

Clough · Mar 25, 2009, 01:52 AM

So, it would appear that you've just answered your own question with your quote. Plus, you didn't answer the questions that I asked initially.

ROLCAM · Mar 25, 2009, 01:58 AM

It is too technical an answer.

What are your personal views ?

I was searching as to what implications this had on AUSTRALIA over the last 55 years
I have been here.

Had this any implications in the U S over the last 50 years.

Clough · Mar 25, 2009, 02:24 AM

One population that I think is particularly effected by the changes in the gene pool is athletes and the families that produce the athletes. I also don't know that it has anything to do with it being country-specific. Two reasons, I would think though, that more developed countries would see a difference in variations within populations as a result of changes in the gene pool because of there being better nutrition and people tending to marry those who are like themselves.

I have no idea about changes in the last fifty years.

You still didn't really answer my original questions, by the way.

Those are some of my thoughts. I would appreciate you sharing your original thoughts.

Thanks!

Clough · Mar 27, 2009, 02:46 AM

I'm still waiting for your views on this, ROLCAM.

Thanks!

ROLCAM · Mar 27, 2009, 03:09 AM

The latest view I came across is this:-

The biological definition of race does not describe human populations well.

If this is accepted as a premise,
The question is begged :-
" What does ? "

I would also like to know more about
The relationship between world population and food supply.
Are we growing enough food ?

Clough · Mar 27, 2009, 03:19 AM

But, what about YOUR views?

Please click HERE for information about your latest question on this thread.

Thanks!

ROLCAM · Mar 27, 2009, 03:52 AM

Clough,

Thank you for your latest Google reference.

I still hold the view of the scientists that I quoted earlier:-

I believe that this paragraph is very pertinent:-

Scientists have shown that the gene pools of human populations can change over time. The presence of some genes increases, while the presence of other genes declines. As gene frequencies change, the frequencies of physical characteristics in a population may also change. Such changes can result from a number of different factors, including (1) natural selection, (2) mutation, (3) genetic drift, (4) the founder effect, and (5) migration and gene flow.

I must add that the five factors need quite a lot of expanding for real understanding.