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  1. Lots of questions here. :-)) I'm going to point you to a website that shows you how to construct a pedigree for traits like this: http://faculty.clintoncc.suny.edu/faculty/michael.gregory/files/bio%20101/Bio%20101%20Laboratory/Pedigree...

    1 Answers · Science & Mathematics · 16/03/2012

  2. tongue rolling ability or not. PTC tasting ability or not.

    1 Answers · Science & Mathematics · 16/03/2012

  3. No, you will be fine... I have too...

    3 Answers · Science & Mathematics · 29/02/2012

  4. The absence of leptin (or its receptor) leads to uncontrolled food intake and resulting obesity. So a decrease of leptin in the blood leads to eating and greater body weight.

    1 Answers · Science & Mathematics · 27/02/2012

  5. .... If you want to do a human pedigree, use a one-gene trait, like PTC tasting, tongue-rolling, widow's peak, or earlobes...

    1 Answers · Science & Mathematics · 20/02/2012

  6. Look up "incomplete penetrance." http://onlinelibrary.wiley.com/doi/10.1111/j.1469-1809.1958.tb01414.x/abstract This article is saying that about 10% of the time, someone who should be a taster isn't. That's about the same odds that Dad isn't Dad...

    1 Answers · Science & Mathematics · 12/02/2012

  7. Hi! I can't type circles and squares here, so I'm going to represent cicles with a round brackets () and squares with a square brackets [ ]. 'x' here means 'married to' and = means '...

    1 Answers · Science & Mathematics · 06/02/2012

  8. Get a supply of PTC test strips from your teacher. Give them to as many relatives as possible. Draw a pedigree and trace the T and t alleles through your family...

    2 Answers · Science & Mathematics · 27/01/2012

  9. It just means you cannot taste PTC or Phenylthiocarbamide. It just means you do not have the...

    1 Answers · Science & Mathematics · 27/01/2012

  10. Hardy-Weinberg equilibrium describes the allele frequencies in a non-evolving population. It uses this equation: p^2 + 2pq + q^2 = 1 p^2 is the frequency of homozygous dominant individuals. (AA) 2pq is the...

    1 Answers · Science & Mathematics · 22/01/2012

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