Horse, ass, and mule chromosomes.
Abstract: Karyotypes of the horse with 64 chromosomes, the ass with 62 chromosomes, and the mule with 63 chromosomes are presented. The chromosome complements of each species and their mule hybrid are analyzed and compared.
Publication Date: 1976-11-01 PubMed ID: 1021594DOI: 10.1093/oxfordjournals.jhered.a108753Google Scholar: Lookup
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- Comparative Study
- Journal Article
Summary
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The research article explores the chromosomal composition of horses, asses, and mules, presenting their respective karyotypes, and providing an analytic comparison.
Karyotypes presentation
- The article presents the karyotypes — the number and visual appearance of the chromosomes in the cell nuclei of an organism — of horses, asses, and mules.
- It was found that horses have 64 chromosomes, asses have 62, and mules have 63.
Chromosome complements analysis
- After establishing the chromosomal quantity in each of the three species, the study delves into a deeper analysis of the ‘chromosome complements’ of these species.
- Chromosome complements refer to the full set of chromosomes that a species possess, including their characteristics, functions and interactions.
Comparing the species and their mule hybrid
- The study also includes an analytical comparison of these species and their hybrid offspring – the mule, which has a distinct chromosomal count of 63.
- This comparison aims to shed light on the genetic link between these species and help understanding how the genetic hybridization led to a unique chromosomal count in mules.
Concluding Remarks
- This research deepens the understanding of the genetic makeup of these three species and their relations.
- By analyzing and comparing their chromosome complements, it contributes to the broader understanding of genetic hybridization and its effects.
Cite This Article
APA
Eldridge F, Blazak WF.
(1976).
Horse, ass, and mule chromosomes.
J Hered, 67(6), 361-367.
https://doi.org/10.1093/oxfordjournals.jhered.a108753 Publication
Researcher Affiliations
MeSH Terms
- Animals
- Chromosomes
- Horses
- Karyotyping
- Perissodactyla
- Species Specificity
Citations
This article has been cited 2 times.- Raudsepp T, Christensen K, Chowdhar BP. Cytogenetics of donkey chromosomes: nomenclature proposal based on GTG-banded chromosomes and depiction of NORs and telomeric sites.. Chromosome Res 2000;8(8):659-70.
- Raudsepp T, Chowdhary BP. Construction of chromosome-specific paints for meta- and submetacentric autosomes and the sex chromosomes in the horse and their use to detect homologous chromosomal segments in the donkey.. Chromosome Res 1999;7(2):103-14.
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