how many chromosomes do goldfish have?
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For example, we have 46 chromosomes while the simple goldfish has 94 and the toucan has 106!
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Humans have 23 pairs of chromosomes, for a total of 46 chromosomes.
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Tick one box. 1.2) More cells are produced as the starfish grows more arms. 1.3) All the offspring produced are genetically identical. 1.4) Each body cell of the parent starfish contains 44 chromosomes.
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How many chromosomes do humans have? Humans have 23 pairs of chromosomes, for a total of 46 chromosomes. In fact, each species of plants and animals has a set number of chromosomes.
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Number in various organisms For example, most eukaryotes are diploid, like humans who have 22 different types of autosomes, each present as two homologous pairs, and two sex chromosomes. This gives 46 chromosomes in total.
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In fact, each species of plants and animals has a set number of chromosomes. A fruit fly, for example, has four pairs of chromosomes, while a rice plant has 12 and a dog, 39. How many chromosomes do humans have? Humans have 23 pairs of chromosomes, for a total of 46 chromosomes.
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4 Each body cell of the parent starfish contains 44 chromosomes.
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Each cell contains two separate copies of each gene (alleles). While a human has 46 chromosomes (23 pairs), a cat has 38 chromosomes (19 pairs) and a dog has 78 chromosomes (39 pairs). The exception to this rule is sperm cells and egg cells.
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Mice have 20 chromosomes in their haploid genome (thus 40 chromosomes in all). The haploid genome is about 3 picograms, similar to humans. The gene order of the genomes of mice and humans are conserved (synteny) although there are rearrangements, several per chromosome.
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Questions: 1. Dogs have 78 chromosomes in their diploid cells.
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A human diploid cell has 46 chromosomes in 23 pairs.
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Humans have 46 chromosomes in each diploid cell. Among those, there are two sex-determining chromosomes, and 22 pairs of autosomal, or non-sex, chromosomes. The total number of chromosomes in diploid cells is described as 2n, which is twice the number of chromosomes in a haploid cell (n).
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Koalas have 16 chromosomes, differing from the ancestral marsupial 2n = 14 karyotype by a simple fission of ancestral chromosome 2 giving rise to koala chromosomes 4 and 717.
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In birds. Birds (except Falconidae) usually have karyotypes of approximately 80 chromosomes (2n = 80), with only a few being distinguishable macrochromosomes and an average of 60 being microchromosomes. They are more abundant in birds than any other group of animals.
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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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For each pair of their chromosomes, you get one chromosome from your mother and one from your father. When the egg and sperm cells come together, they create the full set of 46 chromosomes or 23 pairs.
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Both sexes of adults and tadpoles are present. 3. The chromosome number is diploid and probably 26 in both sexes. Sex chromosomes cannot be distinguished.