Number of stillbirths-miscarrages-fertility problem

A young couple is planning to have children. Knowing tha tthere have been a substantial number of stillbirths, miscarrages,and fertility problems on the husband’s side of the family, they see a genetic counselor .A chromosome analysis reveals that, whereasthe woman has a normal karyptype, the man possesses only 45chromosomes and is a carrier for a Robertsonian translocation between
chromosomes 22 and 13.

a) List all the different types of gametes that might beproduced by the man.
b) What types of zygotes will develop when each of the gametesproduced by the man fuses with a normal gamete from the woman?
c) If trisomes and monosomes entailing chromosomes 13 and 22are lethal, what proportions of the surviving offspring will becarriers of the translocation?