Visitor Messages

Showing Visitor Messages 1 to 20 of 103
  1. eagleseven
    Today 12:29 AM
    eagleseven commented on Job Advice Needed!
    Answered
  2. monkey
    01-03-2015 08:36 PM
    monkey commented on racism: let's end it!
    FYI ...

     
    Red-Headed Neanderthals

    Ancient DNA has been used to show aspects of Neanderthal appearance. A fragment of the gene for the melanocortin 1 receptor (MRC1) was sequenced using DNA from two Neanderthal specimens from Spain and Italy, El Sidrón 1252 and Monte Lessini (Lalueza-Fox et al. 2007). Neanderthals had a mutation in this receptor gene that has not been found in modern humans. The mutation changes an amino acid, making the resulting protein less efficient. Modern humans have other MCR1 variants that are also less active resulting in red hair and pale skin. The less active Neanderthal mutation probably also resulted in red hair and pale skin, as in modern humans.

    The specific MCR1 mutation in Neanderthals has not found in modern humans (or occurs extremely rarely in modern humans). This indicates that the two mutations for red hair and pale skin occurred independently and does not support the idea of gene flow between Neanderthals and modern humans. Pale skin may have been advantageous to Neanderthals living in Europe because of the ability to synthesize vitamin D.

    ... in other words, red hair in modern humans (very likely) wasn't inherited from neandertals.

  3. TzarAlexander
    01-02-2015 12:56 AM
    TzarAlexander commented on Dealing with parents with cancer
    The two most important days of your life are the day you are born and the day you figure out why.
  4. oberonblue
    12-28-2014 12:35 PM
    oberonblue commented on Feeling Your Race?
    Small city, China
  5. Zhen
    12-09-2014 03:14 AM
    Zhen commented on Foundations
    interesting life story...like most people in NYC! *envy*
  6. Uriel
    12-03-2014 03:44 AM
    Uriel commented on Guess ethnicity
    thanks
  7. Evil Muffin
    Happy to see that someone understands my point of view on the subject.
  8. Desertstorm
    I like how using a simple "Ok" is suspossed to influence her into agreement. I just found that funny.
  9. SkyBright
    09-21-2014 06:36 AM
    SkyBright
    Thanks. That makes sense.
  10. SkyBright
    I'm curious about the meaning of this post. Can you elaborate?
  11. Crossover
    09-15-2014 06:54 PM
    Crossover commented on What is funny?
    that quote ! XD Well done
  12. Sarea
    09-05-2014 02:12 AM
    Sarea commented on What were you like as a child?
    cute
  13. Sarea
    08-26-2014 10:00 AM
    Sarea commented on Women and Brassieres
    lols. in all cultures still
  14. Sarea
    08-22-2014 12:50 AM
    Sarea commented on Do you ever question your faith/religion?
    thanks Paul, I love your insight
  15. Zsych
    08-03-2014 12:25 PM
    Zsych commented on Should black culture be changed?
    Good stuff.
  16. Palladium
    07-13-2014 06:39 PM
    Palladium commented on Being 'racially insensitive'
    Excellent. Very eloquently stated. I agree.
  17. kosh
    05-28-2014 04:00 PM
    kosh commented on Developing: Introverted iNtuition (Ni)
    Thank you.
  18. Monte314
    This is the best serial refutation I have seen in a long time. Well done!
  19. trader
    05-10-2014 03:28 AM
    trader commented on INTJ + brain injury = needs help
    You really believe dual n back works? Ever used it?
  20. TzarAlexander
    05-02-2014 07:34 PM
    TzarAlexander commented on Malaysian Airlines jet just disappeared.
    Yeah, I thought so too

About Me

  • About Paul Siraisi
    Gender
    Male
  • Personality
    MBTI Type
    INTJ

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  • Last Activity: Today 02:20 PM
  • Join Date: 07-15-2009
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