See, The difference in two species comes from there genetic code (genes) and not from the number of chromosomes present in their cell.. So even if two species have same number of chromosomes BUT different genetic code then they ARE LIKELY TO BE DIFFERENT!!
hope you have got your answer..:)
The modal chromosome number refers to the most common number of chromosomes found within a particular species. It is essentially the number that occurs most frequently among individuals of that species.
The variation in chromosome number among species can make it challenging for evolutionists to understand how these changes occurred over time. It can also complicate the process of studying the evolutionary relationships between different species. Additionally, changes in chromosome number can affect an organism's fertility and reproductive success, which can impact its evolutionary trajectory.
Polyploid speciation occurs through the duplication of an organism's entire set of chromosomes, leading to the formation of a new species with a different chromosomal count. This can happen through either autopolyploidy (involving duplication within the same species) or allopolyploidy (involving hybridization between different species followed by chromosome duplication).
The chromosome number of a cell varies among species, but in humans, the typical number of chromosomes in a cell is 46 (23 pairs).
Simple, Meiosis reduce the chromosome number in half while fertilization doubles the chromosome number. n=chromosome number Meiosis = 2n (primordial germ cells) ----> n (sperm cell/egg cell/polar bodies) Fertilization = sperm (n) + egg (n) ----> 2n (zygote)
Some species have same number of chromosomes but they are different. suggest an explanation
some species have same number of charosomes but they are different because Fusion is a common way for animal species to end up with a different number of chromosomes from their ancestors.
The modal chromosome number refers to the most common number of chromosomes found within a particular species. It is essentially the number that occurs most frequently among individuals of that species.
Chromosome number is used in species identification because it is a stable and unique characteristic of a species. Variations in chromosome number can indicate genetic relationships between species, and can help distinguish between closely related species. Additionally, chromosome number is often conserved within a species, making it a useful tool for taxonomic classification.
Every species has a fixed number of chromosomes in its nucleus so every species has a different chromosome number from the other.
The number of genes varies from chromosome to chromosome and the number of chromosomes varies from species to species (from as few as 1 single chromosome per cell to as many 30,000 chromosome pairs per cell). Human cells have 23 chromosome pairs per cell.
Number of different species
Depends on what species is in questions - different species have different numbers of chromosomes in gametes.
The variation in chromosome number among species can make it challenging for evolutionists to understand how these changes occurred over time. It can also complicate the process of studying the evolutionary relationships between different species. Additionally, changes in chromosome number can affect an organism's fertility and reproductive success, which can impact its evolutionary trajectory.
Pelicans, like many bird species, typically have a chromosome number of 39 pairs, which totals 78 chromosomes. This number can vary slightly among different species within the pelican family, but 78 is the common count for the American pelican. Chromosome numbers help in understanding the genetic makeup and evolutionary relationships of various species.
Polyploid speciation occurs through the duplication of an organism's entire set of chromosomes, leading to the formation of a new species with a different chromosomal count. This can happen through either autopolyploidy (involving duplication within the same species) or allopolyploidy (involving hybridization between different species followed by chromosome duplication).
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