Diagram of Double Fertilization

Double Fertilization Definition

Double fertilization involves the fertilization of two different male gametes with one female gametophyte resulting in the formation of both the embryo and endosperm....

What is Double Fertilization?

In double fertilization, the pollen grain is received on the stigma of a flower and germinates, forming a pollen tube. This pollen tube then grows through the style and reaches the ovary. This tube acts as a pathway for the sperm cells to reach the embryo sac. Within the embryo sac, one of the sperm cells fertilizes the egg cell, producing a diploid zygote, which will develop into the embryo of the new plant. At the same time, the second sperm cell fuses with the two polar nuclei, that gives rise to the endosperm, a tissue that provides nourishment to the developing embryo....

Diagram of Double Fertilization

Diagram showing the process of double fertilization is as follows:...

Reproductive Structure of a Flower

Flowers are the reproductive organs of plants, and they contain both male and female reproductive structures. It consists of four main components as follows:...

Double Fertilization Process

Double fertilization occurs in various steps those are:...

Development of Embryo in Angiosperms

Once the process of fertilization completes, the development of embryo starts and no more sperms can enter the ovary. The endosperm, containing a mixture of maternal and paternal genetic material, provides nutrients to the developing embryo. The fertilized ovule develops into a seed, and ovary tissues into a fruit which encloses the seed....

Significance of Double Fertilization

Significance of double fertilization is as follows:...

Key Points on Double Fertilization

In Double fertilization two sperm cells are involoved; one fertilizes the egg cell to form the embryo, while the other fuses with the two polar nuclei that form the endosperm, which provides nourishment to the developing embryo. After fertilization, the fertilized ovule forms the seed while the tissues of the ovary become the fruit. During embryonic development, the zygote divides to form two cells; one will change into suspensor, while the other forms a proembryo. The developing embryo has a heart shape due to the presence of cotyledons. As the embryo starts to grows, it bend as it fills the seed. The seed is ready for dispersal at this stage. Double fertilization promotes genetic diversity within plant populations and plays fundamental role in the successful reproduction and evolution of angiosperms...

FAQs on Double Fertilization

1. What is Double Fertilization?...