how many chromosomes are found in the gamete nuclei?
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Human gametes have 23 chromosomes or one complete set of chromosomes. This is the n, or haploid, state.
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As given above, gametes are by definition haploid, regardless of the actual number of sets of chromosomes they contain. An organism whose somatic cells are tetraploid (four sets of chromosomes), for example, will produce gametes by meiosis that contain two sets of chromosomes.
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Therefore, meiosis results in four haploid genetically unique daughter cells, each with half the DNA of the parent cell (Figure below). In human cells, the parent cell has 46 chromosomes (23 pairs), so the cells produced by meiosis have 23 chromosomes. These cells will become gametes.
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*Meiosis results in the formation of gametes. Fertilization results in the formation of a zygote. All of the cells in the body, except for sperm and eggs, have 46 chromosomes.
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In a human egg or sperm, there are 23 chromosomes, one of which is an X or Y.
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In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells. The number of chromosomes in a single set is represented as n, which is also called the haploid number.
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Expert Answer The human body consists of millions of cells; each cell (liver, intestinal etc) contains 23 pairs of chromosomes except for germ cells (egg and sperm) and red blood cells. Thus a total of 46 chromosomes are present in human cells.
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The gametes produced by the meiocytes are haploid. The apple meiocyte has 34 chromosomes after meiosis the gamete has 17 chromosomes.
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Terms in this set (5) How many chromosomes do this organism's gametes contain? ... Gametes are produced with one half the number of chromosomes. Meiosis has two stages meiosis I and meiosis II. Four daughter cells are produced at the end of meiosis.
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In humans, n = 23. Gametes contain half the chromosomes contained in normal diploid cells of the body, which are also known as somatic cells. Haploid gametes are produced during meiosis, which is a type of cell division that reduces the number of chromosomes in a parent diploid cell by half.
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In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells. ... Haploid gametes are produced during meiosis, which is a type of cell division that reduces the number of chromosomes in a parent diploid cell by half.
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Humans have 46 chromosomes, That number of chromosomes will be found a, in cells in anaphase. - : b. in egg and sperm cells. in somatic cells.
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As gametes are formed, the 46 chromosomes from each parent cell (23 pairs of chromosomes) are divided through meiosis so that each gamete is haploid, having only 23 unpaired chromosomes.
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In human reproduction, each cell contains 46 chromosomes in 23 pairs. Meiosis in the parents' gonads produces gametes that each contain only 23 chromosomes that are genetic recombinants of the DNA sequences contained in the parental chromosomes.
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Questions 153 - 156: The pollen tube contains 12 chromosomes and 3 haploid nuclei, so each nucleus will have 4 chromosomes. If each sperm nucleus has 4 chromosomes, then the egg must also have 4 chromosomes and the diploid number for the plant must be 8.
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Germ cells have only half the number of chromosomes as a diploid cell one of each pair - and are termed haploid (n). In a human egg or sperm, there are 23 chromosomes, one of which is an X or Y.
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Because the number of chromosomes is halved during meiosis, gametes can fuse (i.e. fertilization) to form a diploid zygote that contains two copies of each chromosome, one from each parent. ... Meiosis produces haploid gametes (ova or sperm) that contain one set of 23 chromosomes.