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OCR 21st Century Science B1,2&3 (13/5/14) watch

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    (Original post by g.l.a.4559)
    i did Bryon as well- lowest resting pulse.
    What did you do for the question about Tom and Gregg and risks of heart disease?
    "just because there is a risk, does not mean it will definitely happen. other factors could have contributed and Gregg may have though that the consequence was small compared to the risk" ? :confused:
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    i wrote about their percieved risks of the situation being different because tim had first hand experienced the possible outcomes of heart disease
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    Can anyone remember all the questions because i feel like i accidentally missed out a page or there was an error in the printing or something and i panicking right now....?
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    does it matter what letter you use
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    i used Gg for some odd reason, did it say use the letter t or was that just an example. btw i got 25% as well because if two carriers have a baby then there is a 1 in 4 chance of them having a baby with it which is equivalent to 25%
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    You know lots of people found the detritovores question ridiculous but in the end you kinda had to use your common sense :P

    Ethics questions are the most annoying things ever and I'm just glad that I revised that!

    I have a feeling they're going to make the grade boundaries higher though ((

    I hope everyone else has done well

    #mmg
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    (Original post by singh98)
    i used Gg for some odd reason, did it say use the letter t or was that just an example. btw i got 25% as well because if two carriers have a baby then there is a 1 in 4 chance of them having a baby with it which is equivalent to 25%
    Buddy it said to use T for dominant and t for recessive just below the question - as long as you get 25% as your answer, I can guarantee you that you will get 2 marks Hope everything else went well #mmg
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    It was in the revision guide, on page 35, energy in an ecosystem, sneaky af, but it doesn't really describe what they do.
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    (Original post by Ricky Rozay)
    Buddy it said to use T for dominant and t for recessive just below the question - as long as you get 25% as your answer, I can guarantee you that you will get 2 marks Hope everything else went well #mmg
    I thought it was a 3 mark question, and i wrote 50%, i now no its wrong, but i think i would get 2 marks for the correct genetic diagram (punnet square in this case)
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    Good luck to everyone sitting the chemistry test tomorrow
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    Guys what did you guys right for that needle implication
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    (Original post by reeecoco)
    Guys what did you guys right for that needle implication
    Was that the second question??
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    Yes sorry I meant the advantages because I'm sure there's only a disadvantage of using the needle as it can harm the embryo and cause infection
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    how many marks was the question? 2 or 3
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    (Original post by Ricky Rozay)
    Buddy it said to use T for dominant and t for recessive just below the question - as long as you get 25% as your answer, I can guarantee you that you will get 2 marks Hope everything else went well #mmg
    i think they said you could use t as an example because t doesnt mean anything you can use any letter
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    (Original post by samaugust323)
    There did seem to be quite a lot of confusion in my school about whether it was 25% or 75%
    It was 25%
 
 
 
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