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I am sure it is (3n).This is because In angiosperms most common type of embryo sac formation, there is fusion of 1 sperm nuclei + 2 polar nuclei=triple fusion resulting in a triploid primary endosperm nuclues.
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Which of these BEST describes the primary goal of meiosis?
The main purpose of Meiosis is to divide reproductive diploid cells into haploid cells for reproduction. hope this helped! >_<
Why are cotyledons important to a plant?
Cotyledons are important to plants for many reasons. They are what forms from the primary endosperm nucleus. They cotyledon usually becomes the embryonic leaves of a plant.
What are the names of the haploid cells in your body?
The gametes (sperm and unfertilized egg, or ovum).In humans, body cells are diploid. To form gametes, specialized cells in the gonads (primary spermatocytes in males, and primary oocytes in females) must go through meiosis.Strictly, there are more than two types of cell that are haploid. The cells formed by meiosis I are haploid, and these are (in males) secondary spermatocytes, and (in females) secondary oocytes. These divide (meiosis II) to form more haploid cells that differentiate into the gametes.The secondary spermatocytes, secondary oocytes, and gametes are the only haploid cells in humans. In other organisms, it can be quite another story!
Meiosis in the male mammals result in the formation of?
The primary spermatocyte is diploid(2n) and after first meiotic division it will produce 2 haploid(n) secondary spermatocyte and these in turn after second meiotic division will produce 2 more haploid secondary spermatocyte. Therefore by the end of Meiosis one will have 4 haploid secondary spermatocyte or spermatids.
The primary function of the endosperm is?
nutrition
What is the fate of egg and endosperm nucleus in double fertilization of plant?
During double fertilization one male gamete fuses with egg nucleus to form zygote and the other with primary endosperm nuclei in tripple fusion to form endosperm nucleus.
Which of these BEST describes the primary goal of meiosis?
The main purpose of Meiosis is to divide reproductive diploid cells into haploid cells for reproduction. hope this helped! >_<
Why are cotyledons important to a plant?
Cotyledons are important to plants for many reasons. They are what forms from the primary endosperm nucleus. They cotyledon usually becomes the embryonic leaves of a plant.
What are the end products of double fertilisation?
the end products of double fertilisation are primary endosperm cell and diploid zygote. When two pollen grains are taken by pollen tube and it reaches a ovule in the ovary. One germ cell fuses with egg and form zygote which later develops into embryo and other germ cell fuses with bi-nucleate cell and form primary endosperm cell which later develops into endosperm which provide nutrition to the growing embryo.
What are the names of the haploid cells in your body?
The gametes (sperm and unfertilized egg, or ovum).In humans, body cells are diploid. To form gametes, specialized cells in the gonads (primary spermatocytes in males, and primary oocytes in females) must go through meiosis.Strictly, there are more than two types of cell that are haploid. The cells formed by meiosis I are haploid, and these are (in males) secondary spermatocytes, and (in females) secondary oocytes. These divide (meiosis II) to form more haploid cells that differentiate into the gametes.The secondary spermatocytes, secondary oocytes, and gametes are the only haploid cells in humans. In other organisms, it can be quite another story!
Meiosis in the male mammals result in the formation of?
The primary spermatocyte is diploid(2n) and after first meiotic division it will produce 2 haploid(n) secondary spermatocyte and these in turn after second meiotic division will produce 2 more haploid secondary spermatocyte. Therefore by the end of Meiosis one will have 4 haploid secondary spermatocyte or spermatids.
If there are 13 pairs of homologous chromosomes in a primary spermatocyte how many chromosomes are there in a sperm?
The haploid number is 13 and the diploid number is 26
The primary function of the endosperm is?
nutrition
How many chromosomes in a spermatid?
A primary spermatocyte will have 46 chromosomes or chromatids. Primary spermatocytes are diploid cells. Secondary spermatocytes are haploid cells with only 23 chromosomes.
What is secondary spermatocyte?
primary spermatocyte a diploid cell that has derived from a spermatogonium and can subsequently begin meiosis and divide into two haploid secondary spermatocytes.
How are the embryo and the endosperm formed in a plant?
For an endosperm to be formed one sperm nucleus has to fertilize the egg. The egg is fertilized to form a zygote while the other sperm nucleus fuses with the two polar nuclei at the center of the embryo sac to form the primary endosperm cell.
What are the 5 parts of a seed?
seed coat ,embryo ,endosperm, cotyledon, and primary root
