Which of the following expresses Mendel’s law of segregation?
a. All dominant alleles of different genes divide into different cells from the recessive alleles.
b. When gametes form, the genes originally from one parent all end up in different gametes from the genes originally from the other parent.
c. Gametes with recessive alleles will fuse only with each other.
d. Two alleles of a gene separate during meiosis and end up in different gametes.