21. It has a chromosome numbers of 2n = 54, but they may be triploids . 22. "' Masak Hijau "'bananas are triploid banana cultivars from Malaysia. 23. Furthermore, karyotypic analysis has shown that PC3 are near-triploid , presenting 62 chromosomes. 24. A triploid hybrid between walking fern and Tutwiler's spleenwort was accidentally produced in culture. 25. Sterile triploids have also been recorded. 26. Triploid blocks lead to reproductive isolation.27. The triploid block effects have been explained as possibly due to genomic imprinting in the endosperm. 28. And there have been reports of some " triploid " fish that are actually mosaics. 29. Triploid bananas and watermelons are intentionally bred because they produce no seeds ( and are parthenocarpic ).30. The maternal contribution to the genetic constitution of the triploid endosperm is double that of the embryo.
