試題詳解

1. Why is meiosis impossible in the bananas we buy in the supermarket?
(A) Bananas have been genetically engineered to stop meiosis.
(B) They are polyploid and have three sets of chromosomes.
(C) Their genome is too large to undergo meiosis.
(D) They have too many transposable elements.
(E) They are blocked in the G1 phase by chemicals.