Home ยป In Pinus, the pollen grain has 6 chromosomes then its endosperm will have the chromosome Plant kingdom MCQs In Pinus, the pollen grain has 6 chromosomes then its endosperm will have the chromosome January 31, 2022 6 Views Q. In Pinus, the pollen grain has 6 chromosomes then its endosperm will have the chromosome A. 12 B. 18 C. 6 D. 24 Answer: 6