NEET 2006 Biology question
What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids ?
Answer: (2)
Solution
Synergids are cells of the female gametophyte (embryo sac), which develops from a haploid megaspore, so synergids are haploid (n = 8). The aleurone layer is the outermost layer of the endosperm. Endosperm forms by triple fusion: one haploid sperm (n) fuses with the two polar
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