There are holes in the end of the phloem tubes because Phloem consists of sieve tube cells and companion cells for conduction of food These sieve elements are placed end to end . At the the junction of two sieve elements there is a plate called sieve plates having circular pores.
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10 chromosomes. After telophase and cytokinesis, the new daughter cells will each have 10 chromosomes, which is identical to the parental cell. Human cells have 23 pairs of chromosomes.
