In onions (Allium), cells of the sporophyte have 16 chromosomes within each nucleus. Match the number of chromosomes present in each of the following onion tissues. How many chromosomes should be in the nucleus of an egg within the embryo sac prior to fertilization?

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Quizplus · Accepted Answer

The egg cell is a gamete, which is haploid, meaning it has half the number of chromosomes as the diploid sporophyte cells. Since the sporophyte cells have 16 chromosomes, the egg cell will have 8 chromosomes.

In Onions (Allium), Cells of the Sporophyte Have 16 Chromosomes