Autotetraploid is a term used in genetics to describe a type of organism that has four sets of chromosomes, all derived from a single species. This means that each cell in the organism has twice the number of chromosomes as a diploid organism, which has two sets of chromosomes. In this article, we will explore the definition, origin, meaning, associations, synonyms, antonyms, and example sentences of autotetraploid.
Definitions
Autotetraploid is a genetic term that describes a type of organism that has four sets of chromosomes, all derived from a single species. This means that each cell in the organism has twice the number of chromosomes as a diploid organism, which has two sets of chromosomes. Autotetraploids can arise spontaneously in nature, or they can be created artificially through the use of chemicals or radiation.
Origin
The origin of autotetraploid organisms is not fully understood, but it is believed to be a natural process that occurs in certain plant and animal species. One theory is that autotetraploidy arises from the failure of cells to divide properly during meiosis, resulting in the duplication of chromosomes. Another theory is that autotetraploidy can arise through hybridization between two closely related species, resulting in the doubling of chromosomes.
Meaning in different dictionaries
According to the Merriam-Webster dictionary, autotetraploid is defined as “an individual or cell having four sets of homologous chromosomes derived from a single species.” The Oxford English Dictionary defines autotetraploid as “a plant or animal that has four sets of chromosomes, all derived from a single species.” The Cambridge Dictionary defines autotetraploid as “an organism that has four sets of chromosomes, all derived from a single species.”
Associations
Autotetraploidy is associated with several characteristics, including increased genetic diversity, altered gene expression, and changes in phenotype. Autotetraploid plants are often larger and more robust than diploid plants, and they may have different flower colors, shapes, or sizes. Autotetraploid animals may have altered behavior or physiology, and they may be more resistant to disease or environmental stress.
Synonyms
Synonyms of autotetraploid include tetraploid, 4n, and quadraploid.
Antonyms
Antonyms of autotetraploid include diploid, triploid, and polyploid.
The same root words
The root words of autotetraploid are “auto,” which means self, and “tetraploid,” which means having four sets of chromosomes.
Example Sentences
- The autotetraploid plant produced larger and more abundant fruit than its diploid counterpart.
- The researchers found that the autotetraploid fish had increased resistance to environmental stressors.
- The farmer used chemical treatments to induce autotetraploidy in his crops, resulting in higher yields and improved quality.