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A question on Genetics

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Wasp
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2009/07/23 20:42:00 (permalink)

A question on Genetics

Genetically, how similar are two brothers? I obviously mean in terms of muscle and strength development. The reason I ask this is that my brother has been training a year or so more than me and is gaining quite well even with a piss poor diet - Or am I getting my hopes up? lol.
#1

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    jacked_fibres
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    Re:A question on Genetics 2009/07/23 20:46:53 (permalink)
    Pretty similar normally.

    #2
    wailsy
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    Re:A question on Genetics 2009/07/23 20:48:48 (permalink)
    Can easily be chalk and cheese - in our family anyway.
    #3
    PAGAN
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    Re:A question on Genetics 2009/07/23 20:50:46 (permalink)
    In terms of size and strength me and our lad were / are quite similar. I was a really good runner , he couldn't run for the bus ! hard to say mate.

    No biggie like, there are a lot worse things for you than using steroids, I mean I probably shouldn't have been smoking crack or getting into bar fights at your age TBH  - drab4

    #4
    mackenzie_uk
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    Re:A question on Genetics 2009/07/23 20:51:31 (permalink)
    Could be similar, could be massively different mate. Two brothers, unless indentical twins, don't look the same so why should their other genetics be the same?

    My brother and I are different by a bloody mile.

    He doesn't train but is naturally quite lean and has a reasonable physique.

    When I didn't train I was still bigger than him in both muscle and fat, even with the same diet etc.


    "Why Climb a Mountain, when you can become one..."

    #5
    H20
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    Re:A question on Genetics 2009/07/23 20:53:36 (permalink)
    They could be vey similar or completely different tbh mate depending on which parent they take after, I often see Brothers who take after their Mam and be quite slim whilst another Brother takes after the Father and be quite thick set ( or vice versa).
    I think it can also be a weird one though genetics where it just throws out a random, or so it appears and then you see a relative or distant relative, as an example, my friends growing up were 4 Brothers, the eldest was 6`1", next was  6`3", next 6`5" and the youngest was 6`7", Mother was only 5`2 and the Dad was 5`9".
     
    It was only when the Dads brothers visited, smallest being 6`2" that you could see why.

    Look after your body,it is the greatest thing you will EVER own----Bazil Baines

    Dodging the rain and bullets since 1966.
    #6
    drab4
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    Re:A question on Genetics 2009/07/23 21:02:36 (permalink)
    In terms of bodybuilding, the genetic similarity between brothers doesn't always mean much. There are just so many factors influencing your body shape and muscle building ability aside from genes

    And even if we just look at genetics, a very tiny change in your genes can make a massive difference in how you are physically. For example, it only takes a change in one single gene for a mutation to occur in the androgen receptor, and in real world terms this can mean the difference between you having the body of a man, or a woman

    If you are the younger brother then you should have at least one advantage, as you'll have been exposed to higher levels of androgens in the womb. Then again something else could be working against you. Impossible to say


    #7
    jacked_fibres
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    Re:A question on Genetics 2009/07/23 21:04:16 (permalink)
    well me and my brothers are very similar, all naturally very fast at running as well, plus not a partiularly big bone structure. my dad is the same

    My other 2 mates who are brother who are half german are very naturally big and strong with big forearms. Their dad is the same.

    Its actually the same pattern throughout all my mates with brothers.

    I think most are similar, height may vary but general bone structure is the same.
    #8
    Wasp
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    Re:A question on Genetics 2009/07/23 21:25:30 (permalink)
    Thinking of it now, I have taken most of the features from my dad, the youngest from my mum and is quite thin, and the middle is a little in between.

    Lots of combinations there. Makes it more confusing
     
    #9
    Red_Alert
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    Re:A question on Genetics 2009/07/23 21:34:19 (permalink)
    Depends really.

    My lil bro is cut all year round and eats what he wants. He's 16, barely trains but puts on muscle easy as hell.

    He spent his childhood swimming and playing multiple sports at a regional level so his body is completely different to mine!

    "I believe in taking care of myself" - Patrick Bateman
      
    #10
    RobeKinn
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    Re:A question on Genetics 2009/07/23 21:53:38 (permalink)
     you can be very , very different, think how many factors your talking about, metabolism, height, tendons, muscle types the lot. now how many genes control all of those, a lot. how many times can you muddle your mum and dad genes up. look at it this way, if you had 8 sandwich fillers, but you could only make 1 sandwich at a time with only 2 fillings, how many sandwiches can you make 

    ...wonders what her head would look like on a stick 
    #11
    1ManRiot
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    Re:A question on Genetics 2009/07/23 22:33:22 (permalink)
    As different as anything; our kid is fat and stupid, whereas I'm..... arw sh't nevermind.

    My GFs sister is nothing like my GF.  Tall and butch whereas my GF is tiny and petite.

    Unaffiliated. 
    #12
    AWG
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    Re:A question on Genetics 2009/07/23 22:50:34 (permalink)
    My brother looks like my mum, I look like me Dad

    My brother is stick thin and about 5'9''.....still growing
    I have never been thin and am 5'9''.....stopped growing

    I'd say we are total different genetically
    #13
    mad_cereal_lover
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    Re:A question on Genetics 2009/07/23 22:55:30 (permalink)
    Genetics is never as simple as getting something from your dad or your mum and "sharing" the same genes.  There are traits that stay strong through genes.  How your body reacts to things is not simply down to genetics either - it may also be influenced by the exposures of the embryo in the womb to various amounts of hormones and other things/factors.  These can have an influence on the way someone's body will "work" as such.

    Also we tend to think about genetics in general as 2 sets of genes, one from dad and one from mum, you get one of those copies so more like dad or mum.  The reality of genetics (this is like basic Mendalian genetics) is that actually it is far more coimplex than that.  Crossing over of DNA within the genes.  Contribution from non-coding regions.  Splice variants of proteins.  Altered levels of transcription factors, repression of gene expression, over-expression of genes, etc, etc, etc.  Even geneticists do not hardly scratch the surface in fully understanding mammalian/human genetics (much of the understanding we have comes from studying lower organisms genetics, bacteria, yeast, flies,etc).

    So given this, it is very difficult to make accurate predictions about how similar you would be to someone else in your family with regards to certain traits like muscle deposition, although often there are similar trends in such things.

    mcl
    #14
    Al
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    Re:A question on Genetics 2009/07/23 23:04:02 (permalink)
    You share just over half your genes with your brother. (You have the same Y chromosome).
    This means you are likely to be similar but the only way to find out for sure is to train and see what happens.
    #15
    Wasp
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    Re:A question on Genetics 2009/07/24 13:13:09 (permalink)
    mad_cereal_lover

    Genetics is never as simple as getting something from your dad or your mum and "sharing" the same genes.  There are traits that stay strong through genes.  How your body reacts to things is not simply down to genetics either - it may also be influenced by the exposures of the embryo in the womb to various amounts of hormones and other things/factors.  These can have an influence on the way someone's body will "work" as such.

    Also we tend to think about genetics in general as 2 sets of genes, one from dad and one from mum, you get one of those copies so more like dad or mum.  The reality of genetics (this is like basic Mendalian genetics) is that actually it is far more coimplex than that.  Crossing over of DNA within the genes.  Contribution from non-coding regions.  Splice variants of proteins.  Altered levels of transcription factors, repression of gene expression, over-expression of genes, etc, etc, etc.  Even geneticists do not hardly scratch the surface in fully understanding mammalian/human genetics (much of the understanding we have comes from studying lower organisms genetics, bacteria, yeast, flies,etc).

    So given this, it is very difficult to make accurate predictions about how similar you would be to someone else in your family with regards to certain traits like muscle deposition, although often there are similar trends in such things.

    mcl


    Thanks for that post
    #16
    Reborn
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    Re:A question on Genetics 2009/07/24 13:18:55 (permalink)
    I have two brothers, one is dientical to me. The other is so ridiculously different I speculate we have different fathers.
     
    Unlike myself and my older brother though, as a child he ate like a sparrow and so hit puberty rake thin, he has stayed that way.
     

    My username has nothing to do with my religious beliefs.....
    #17
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