how many chromosomes in a horse's cell?
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Fifteen horse {Equus caballus) karyotypes were made of 3 male and 12 female cells, each of which had 64 chromosomes. The chromosome preparations were from two males and two females.
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What is the Canine Genome? A dog's body contains trillions of cells. Most of these cells contain a nucleus. In dogs, 38 pairs of autosomes (non-sex chromosomes) can be found in every nucleus, for a total of 76 chromosomes plus the two sex chromosomes (X and Y) for a grand total of 78.
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The basic construction of chromosomes (made of chromatin) and structure (long but scrunched up) is the same in all animals. The difference is that each species has its own set number of chromosomes. For instance, all human cells (except gametes) have 46 chromosomes.
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Each pig has about 70 billions cells, each containing 38 chromosomes in the nucleus of each cell. Two of the chromosomes, called sex chromosomes, mostly dictate the sex of the pig: two X-chromosomes result in a female pig while one X-chromosome and one Y-chromosome result in a male.
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Reason for correct answer: The chromosome number present in the haploid cells of dog will be 39 because during the meiosis I process, the homologous pairs separate. So, 78 chromosomes present in the diploid cells will assemble at the equator of the cell.
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Questions: 1. Dogs have 78 chromosomes in their diploid cells.
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While a human has 46 chromosomes (23 pairs), a cat has 38 chromosomes (19 pairs) and a dog has 78 chromosomes (39 pairs).
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Human cells normally contain 23 pairs of chromosomes, for a total of 46 chromosomes in each cell.
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Human diploid cells have 46 chromosomes (the somatic number, 2n) and human haploid gametes (egg and sperm) have 23 chromosomes (n).
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A Horse Sperm Cell Has A Haploid Number Of 32 Chromosomes.
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The common potato Solanum tuberosum L. has 48 chromosomes per somatic cell (2n=4x=48), so that the number of chromosomes in the egg cell and in haploid somatic cells is 24.
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Thus, the zygote has 46 chromosomes, and when the zygote undergoes mitosis to begin to form an embryo, each cell will have the normal number of 46 chromosomes. Cells that have two copies of each chromosome (i.e. cells that have pairs of homologous chromosomes) are called diploid cells.
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A quick overview of cell division The genetic information of plants, animals and other eukaryotic organisms resides in several (or many) individual DNA molecules, or chromosomes. For example, each human cell possesses 46 chromosomes, while each cell of an onion possesses 8 chromosomes.
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In dogs, 38 pairs of autosomes (non-sex chromosomes) can be found in every nucleus, for a total of 76 chromosomes plus the two sex chromosomes (X and Y) for a grand total of 78. During conception, a dog gets one copy of each chromosome from each parent.
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So while a human cell (diploid) has two copies of 23 chromosomes for a total of 46 chromosomes, a wheat cell (hexaploid) has six copies of its seven chromosomes (42 chromosomes total).
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A karyotype taken from a dog's mature egg cell would have how many kinds of chromosomes? The domestic dog has a diploid number (n) of 78. ; 76 of the chromosomes are autosomes and two 2 are sex chromosomes (X and Y). As in humans, female dogs contain two X chromosomes and male dogs contain an X and a Y chromosome.
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How many pairs of chromosomes do dogs have in their somatic cells? 39 pairs 4. Cats have 38 chromosomes in their somatic cells.