Explain why it is unlikely that any daughters fathered by R (haemophiliac and colour blind) would suffer from haemophilia or colour blindness.
Ahah! So having dutifully mugged why, this man ventures to scribble:
R must marry aWait, who said anything about marriage! The question asked about daughters fathered by R, legitimate or otherwise. Let's try again. R must screw a carrier for the conditiHalt! That's rather colloquial eh? Bad idea. Strike two. R must have sex with aStop! Oh darn, what is it now? Oh you mean I forgot about IVF and the possibility of artificial insemination? Good point. R must mate withNow now, are we breeding R in a human testcross? So degrading!
So in frustration, I used the powers that we learnt in the mystical art of GP: answer in terms of the question.
R must father a daughter with a female carrier of either disease to even have a chance of daughters with the disease.
There we go, nicely done. And I hope R appreciates the lack of assumptions on my part for his preferred mode of uh, se-no, uh, screwin-no. Ah, REPRODUCTION.
Context has an upcoming exam