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rakuenso

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Posts posted by rakuenso

  1. i think linkage is the problem here, not necessarily epistasis, it is very possible that the genes responsible for hair color and skin color are located very close to each other, so that during meiotic recombination, there is a very very high chance that both genes will be exchanged during the homologs crossover.

     

    epistasis is a general genetics term used to describe the fact that one gene supresses all the other genes. I don't think melanin is being supressed or vice versa...

  2. A prism of refractive index 1.52 is completely immersed in water of refractive index 1.33.

    A point source of light in the prism lies 60.0 cm below the

    at interface between the prism

    and the water. What is the diameter in centimetres of the circle at the interface through

    which light emerges from the prism?

    (a) 52 (b) 105 © 108 (d) 137 (e) 217

     

    answer is (e)

     

    but I tried everything.. with no luck

     

    I calculated that the angle of incidence the light must approach the water and air must be 48.75.. past that point its all futile, the prism fubars everything up

     

    sry for posting this, but it isn't a homework question, rather a review question that I just can't seem to understand

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