What is the biological significance of double fertilization?

Double fertilization has significant biological significance. If gymnosperms, regardless of fertilization, develop a sufficiently strong haploid endosperm, then in angiosperms this is possible after fertilization. Then the triploid endosperm is formed. This process is conducive to the development of nutrient tissue. An increase in the degree of ploidy to a value of 3n promotes accelerated growth of polyploid tissue in the endosperm in comparison with diploid tissue in sporophytes.



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