Aliens .... They come in UFO's and arise new polyploid species.
Most polyploid plants arise as a result of hybridization between two different species or through spontaneous chromosome doubling within a single species. This leads to an increase in the number of chromosome sets, which can result in novel genetic variation and potentially enhanced traits such as increased vigor or adaptability.
polyploid
Polyploid
Polyploid. This means they have more than two sets of chromosomes, which can result in increased genetic diversity and variations in traits among individuals. Examples of polyploid species include strawberries and wheat.
A polyploid organism has more than two complete sets of chromosomes. The number of chromosomes in a polyploid can vary widely depending on the species and type of polyploidy; for example, a triploid has three sets (3n), a tetraploid has four sets (4n), and so on. Therefore, the total number of chromosomes in a polyploid is a multiple of the basic chromosome set of that species.
Polyploid speciation occurs when two different species interbreed, resulting in a hybrid offspring with an extra set of chromosomes. This extra set of chromosomes can come from one or both parent species. The hybrid offspring may then undergo genome duplication, resulting in a new species that is polyploid. This process can lead to the formation of a new species with a different number of chromosomes than either parent species.
reproductive isolation
They both are mechanisms by which new species arise grad point
Accidental polyploidy in an individual can result in the individual being unable to reproduce with non-polyploid individuals of its species due to differences in chromosome numbers, leading to reproductive isolation. Polyploids may have difficulty producing viable offspring with non-polyploids, contributing to the isolation of the polyploid population from the non-polyploid population.
A plant with many sets of chromosomes is an example of a polyploid organism, where the number of chromosome sets is beyond the normal diploid level for that species. This can result from various processes such as hybridization or errors in cell division.
Polyploid may instantly produce new species of plantsthat are often strongerthan rhier diploidrelatives
Evolution