Acouple is accidentally exposed to a high dose of x-rays by a malfunctioning plasma tv preventing random assortment and crossing over from occurring when they form gametes.
a) how would this affect their sex cells?

b) what would be the result when the couple had children?

1. beginning with all chambers of the heart in the "relaxed" phase, describe the cardiac cycle in mammals, with systole and diastole of the atria and ventricles. for each time point in the cycle you select, state the following: • whether the atria and ventricles are contracting or relaxing • whether the av valves and semilunar valves are closed or open • whether the pressure in the atria and ventricles is high or low