1. Suppose that gene b is sex linked (to the x chromosome) recessive and LETHAL in the womb. A man marries a woman who is heterozygous for this gene
a) if this couple had many children, what would be thepredicted sex ratio of these children?
b) is it possible for the man to be a carrier of this lethalgene?
c) was the woman’s mother a carrier of gene b?

2. A man and a woman both have normal color vision, they have twochildr en, a son with normal vision and a dau ghter which has redgreen color blindness, a sex linked (to the x chromosome) recessivegene. the man sues his wife for divorce on grounds of infidelity. if you were his attorney, could you use this evidence in your case?if yes, which child provide the evidence of infidelity son ordaughter? (show a punnett square)