Q1. Susan and Robert are the parents of three children. One night as the family was sleeping, a fire broke out next door. Susan and Robert heard the fire trucks and rushed out to see what was happening. None of the children woke up, even with the sound of sirens close to the house. Why the parents wake up, other than the children did didn’t wake up?

Q2. A gene for sweat gland production is found on the X chromosome. If the man who lacks sweat glands marries a woman who is homozygous for normal sweat glands, what would be the phenotype of their children?