Hemophilia is an X-linked recessive disorder (Xh) that is passed through generations and can be traced by using a pedigree. Charles is a blank box with a Upper X Upper H Upper Y genotype and Marie is a half-filled circle with a X Upper H x h genotype. What is the probability that a female child of Charles and Marie would suffer from hemophilia? 0 percent 25 percent 50 percent 100 percent.

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.