Biology 1 honors help??

Discussion in 'Computing, Science, and Technology' started by fyvel, Nov 16, 2008.

  1. fyvel

    fyvel Active Member

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    ok i dont know if anyone will help me.... or if this is aloud.... but here it goes....


    right handedness is dominant over left handedness, and having a straight thumb is dominant over having a hitch-hikers thumb. a woman who is heterozygous for both traits marries a man who is also heterozygous for both traits. what is the expected phenotypic ratio and punnet sqquare?

    and

    in rodents, T codes for a life-giving protien. if a rodent is ressive for this protien, then that rodent will be still born (dead). at the same time B codes for a dark mouse and b codes for a white mouse. these two mice were crossed TtBb x Ttbb. give me the punnet square and the phenotypic ratio.



    Thank you soooooooooooooo much... these are the only 2 on the page i dont get.....
  2. Totally 1337

    Totally 1337 Active Member

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    dude we're doing the EXACT SAME THING!!!

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    for the 32nd one:

    do

    Top: TB Tb tB tb

    side:

    Tb
    Tb
    tb
    tb

    get it?

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    the square is 4 rows and 4 columns (16 boxes)
  3. fyvel

    fyvel Active Member

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    AAAAAAAAAAAHHHHHHHHHHH!!!!!!!!!!!! lol... THANK YOU SOOOOOOO MUCH!!!
    that is weird that we are doing the same thing...... lol... you are sooooooooo helpful!!!!!!!!!!
  4. Totally 1337

    Totally 1337 Active Member

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    yeah its kinda complicated.

    if you need more help, i can actually do the rest for you. BUT ONLY AS A LAST RESORT.

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  5. exit1010

    exit1010 Well-Known Member

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    man!!! i wanted to answer this one... this problem was my favorite...
  6. fyvel

    fyvel Active Member

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    well i got it from here (on the second one...) can you help me setup the first one?? thank you...
  7. Totally 1337

    Totally 1337 Active Member

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    you can do #1

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    Its pretty much the same, you just need to set it up a little more.

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  8. fyvel

    fyvel Active Member

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    wait i keep messing up on number one... how do i setup the punett square??

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