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Questions and Answers: 2015

Question: This is not a question about a specific plant,but a botany question. I hope that's okay. Here is the question. …

• Question

  This is not a question about a specific plant,but a botany question. I hope that's okay. Here is the question. I was looking at an apple,and started thinking. If the fruit's peel is what develops from the wall of the gynoecium,are the the cells on the very surface of the peel somatic and therefore diploid? Thank you.

  Answer

  dear pkbeep, in this case (with the apple), the fruits peel is not derived from the ovary, rather from the hypanthium of the flower. But in any case, the tissue of the fruits (save for the egg, sperm, and endosperm) are typically somatic and diploid (i.e., 2n). The gametes are 1n, and the endosperm is 3n, the remaining tissue is 2n. I hope this helps. Best wishes.