by Zula Ortiz DDS
Published 3 years ago
Updated 2 years ago
Definition of triple fusion
: the fusion involving two polar nuclei and a sperm nucleus that occurs in double fertilization
double fertilization
Definition of double fertilization
: fertilization characteristic of seed plants in which one sperm nucleus fuses with the egg nucleus to form an embryo and another fuses with polar nuclei to form endosperm.
in a seed plant and results in the formation of the endosperm.
Why is it called triple fusion?
It is called triple fusion due to the presence of 3 nuclei one from the sperm nuclei and two nuclei of polar nuclei. The fusion involves the two polar nuclei and a sperm nucleus that occurs in double fertilization leads to formation of endosperm.
What is triple fusion in plants diagram?
Triple fusion is a fusion that involves a sperm nucleus and two polar nuclei which occurs in the double fertilization in a seed-bearing plant that results in the endosperm formation. The fusion process occurs in the embryo sac of the angiosperms.
What is fusion in plants?
Somatic fusion, also called protoplast fusion, is a type of genetic modification in plants by which two distinct species of plants are fused together to form a new hybrid plant with the characteristics of both, a somatic hybrid.
What does triple fusion produce?
The product of the triple fusion process is the formation of the endosperm. Endosperm tissue is present inside the seeds of the flowering plants which is then used in the fertilization. It provides essential nutrients to the in form of starch. Was this answer helpful?
What is triple fusion 12th biology?
Triple fusion is the fusion of the male gamete with two polar nuclei inside the embryo sac of the angiosperm. This process involves the fusion of three haploid nuclei, hence it is known as triple fusion. It results in the formation of the endosperm.
What is Syngamy and triple fusion?
Syngamy is fusion of one of two male gametes with egg to produce diploid zygote. It is also known as generative fertilisation or true fusion. Triple fusion is the fusion of second male gamete with two haploid polar nuclei to form triploid primary endosperm nucleus. It is also known as vegetative fertilisation.
What is triple fusion and double fertilization?
One male gamete fuses with the female gamete and the other fuses with the secondary nucleus. As two male gametes take part and fertilization and fertilization takes place twice, this process is called double fertilization. Since three gametes are involved it is called triple fusion.
What is fusion in biology?
Fusion Definition in Biology and Medicine Fusion is the process by which uninuclear cells combine to form a multinuclear cell. This process is also known as cell fusion. Gene fusion is the formation of a hybrid gene from two separate genes.
What is fusion nucleus in plants?
Definition of fusion nucleus 1a : primary endosperm nucleus. b : the triploid nucleus resulting from double fertilization that produces the endosperm nuclei in seed plants.
What is triple fusion where and how does it take place?
Fusion of male gamete with diploid secondary nucleus/central cell to form triploid primary endosperm nucleus is called as triple fusion as it involves three nuceli. It takes place in embryo sac during double fertilization. Two polar nuclei and male gamete are involved in it.
What Syngamy means?
Definition of syngamy : sexual reproduction by union of gametes : fertilization.
Why is it called double fertilization?
This is called double fertilization because the true fertilization (fusion of a sperm with an egg) is accompanied by another fusion process (that of a sperm with the polar nuclei) that resembles fertilization.
What is double fertilization and triple fusion explain with the help of diagram?
One male gamete fuses with the female gamete and the other fuses with the secondary nucleus. As two male gametes take part and fertilization and fertilization takes place twice, this process is called double fertilization. Since three gametes are involved it is called triple fusion.
What is fusion in biology?
Fusion Definition in Biology and Medicine Fusion is the process by which uninuclear cells combine to form a multinuclear cell. This process is also known as cell fusion. Gene fusion is the formation of a hybrid gene from two separate genes.
What is triple fission?
The fertilization process in which one sperm cell of a pollen grain fertilizes an egg cell while second fuses with two polar nuclei to produce a triploid body that gives rise to the endosperm.
What is the difference between double fertilization and triple fusion?
The main difference between double fertilization and triple fusion is that double fertilization is the fusion of the embryo sac with two sperm cells whereas triple fusion is the fusion of sperm nucleus with the two polar nuclei in the central cell of the embryo sac.
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