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An onion plant has 16 chromosomes.what is the number of chromosomes in its gamete and endosperm

Answer»

The embryo sac contais 32 chromosomes and 8 haploid nuclei, so each nucleus must contain 4 chromosmes. Therefore the EGG CELL has 4 chromosomes, the synergid cell has 4 chromosmes, etc. The endosperm mother cell has two polar nuclei so it contains a TOTAL of 8 chromosomes

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