Evolution: is it necessary to know how life ultimately began in order to study and debate the evidence that evolution has since occurred? [Spirituality & Religion]
If you think it is, why do you think so? Can you explain that reasoning for me?
I ask because i've encountered a creationist's position that the evidence for evolution can be ignored if we don't know how life began. I point out that the theory of gravitation still allows us to study the interactions of matter without knowing how it came to be but this apt comparison appears to be ignored.
Since i've received no explanation from the parties involved, i'm coming to YOU! So. Thoughts?馃檪
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another theory is humans came from another planet,landed on earth, maybe crash lamnded and couldnt leave so had to stay and slowly over millenium they multiplied, humans may have killed neatherdal man,henc eno missing link between the two types fo men
@Pikachu fossils may be of creatures alreadt on earth before humans showed up much later, its as outlandish as a man who can wlak on water or turn water into wine
[quote]"@kuminme humans may have killed neatherdal man"[/quote][quote]@newjaninev2 "We bred with Neanderthals... in fact, around 4% of our DNA is Neanderthal.
Females bred with Neanderthals at a higher rate than males (maybe they were smooth talkers, or had more shiney things)"[/quote]
This is essentially correct. They never really went extinct, we as a species absorbed Neanderthals over time. My own genographic DNA analysis reveals I am 3.7% Neanderthal/Denisovan hominin...
Every human being has a trace of hominin ancestry (Neanderthal/Denisovan) in their genetic makeup, except for a couple of tribes in Africa that never left that continent. I encourage everyone to have their DNA analysis done. Totally fascinating.
@newjaninev2 [quote]We bred with Neanderthals... in fact, around 4% of our DNA is Neanderthal.[/quote] What is the evidence for that? How can we say whether some of our DNA is Neanderthal? Do we have samples of Neanderthal DNA?
@newjaninev2 :D like what the fuck so funny this topic... specially that females bred with neandhertals faster than males, I bet because not the right gear to bred something if 2 dicks breeding :D
@Sharon Hi Hun. it's late here (11:55) on Sunday night, and although tomorrow is a public holiday (the Queen鈥檚 birthday), I have friends coming for breakfast, so I鈥檇 better slip away to my bed. However, I promise to cover your questions tomorrow as soon as I have a chance to do so.
I'm not opposed to the notion that life was on this planet arose as a result from extraterrestrial sources. I just think it's silly to suggest that aliens made humans
@Sharon [quote]@newjaninev2 We bred with Neanderthals... in fact, around 4% of our DNA is Neanderthal.[/quote] [quote]What is the evidence for that? How can we say whether some of our DNA is Neanderthal? Do we have samples of Neanderthal DNA?[/quote]
Sharon, it's called gene sequencing. Maybe this short clip can help illustrate, especially at about 58sec:
So basically, they calculate the percentage by using a sophisticated method that looks at part of the DNA that we share with Neanderthals. Here are a couple of other good ones:
@DudeistPriest Oh, thank you so much for this. I promised Sharon more information around this, and I鈥檝e been meaning to get to it all day, but it鈥檚 a public holiday here, and I鈥檓 a little unmotivated.
Hopefully this evening I can assuage my guilty feelings. 馃槂
@DudeistPriest I've just watched those clips. For some reason the links aren't appearing on this page, I had to take them from the page source and paste them directly into my browser.
The first clip answered my question. I didn't know DNA had been extracted from Neanderthal fossils so I couldn't understand hod anyone could say that some of our DNA came from Neanderthals. Thanks for clearing that up for me.
