document.write( "Question 923712: The gene for blood type A is dominant over the one for type O blood. To have type O blood, a child must inherit type O genes from both parents. If the parents of a child both have one blood A gene and one blood type O gene, what are the odds in favour of the child having type O blood? \n" ); document.write( "
Algebra.Com's Answer #560335 by richard1234(7193)\"\" \"About 
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Both parents must give the child the O gene, which occurs with probability 50% x 50% = 25%. \n" ); document.write( "
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