Can someone help?

Question

A: PROBABILITY
2. If you could convince Uncle Irving that simply having three children all of the same sex (m or f) would do, then what would be the probability of your receiving the inheritance?

B: MONO-, DI-, AND POLYHYBRID CROSSES; DOMINANCE AND RECESSIVENESS
In all of the following problems, capital letters will be used to denote a dominant trait, and lower-case letters will be used for the recessive trait. Be sure to take a look at a shorthand method for determining polyhydric crosses.

Answer 1

The probability of having a male at each birth is 1/2 X 1/2 X 1/2 or 1/8. Since in this problem you can have either 3 males OR 3 females, your chance of that is 1/8 + 1/8 = 1/4.