Which of the Following S.pombe Mutants Is(are)larger Than Normal

Question

Which of the following S.pombe mutants is(are)larger than normal?
A)cdc2ᴰ
B)cdc25−
C)wee1−
D)cdc25− and wee1−

Accepted Answer

Cdc25− mutants are larger than normal because the loss of cdc25 function prevents the activation of cdc2, delaying the cell cycle and causing cells to grow larger before division.