New answers tagged human-genetics
9
I thought it was just that the other aneuploidies were fatal. They occur as often but miscarry earlier in the term therefore you don't see them. So basically there are only three that are viable 21,18 and the sex chromosome with a number of combinations: XO, XXY, XYY and XXX.
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1
Are you sure it is 0.59 because I am getting 0.5625 for part (a) and this is how I computed.
To check genetic similarity of siblings we first have to pick up mating pairs. Six mating pairs possible with following offspring probabilities (choice of first mate x choice of second mate x same offspring genotype freq).
AA x AA : will always give same type of ...
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