KDM3B rs1088697156: Understanding This Reproductive Variant
The rs1088697156 variant is a 7-nucleotide insertion/deletion polymorphism located within the KDM3B gene. Research has primarily associated this specific variant with reproductive performance traits in certain sheep breeds, such as litter size and pregnancy duration.
What each genotype means
Typical genetic profile
This genotype represents the absence of the specific 7-nucleotide insertion associated with this variant. Research regarding this specific insertion/deletion in the KDM3B gene is primarily focused on livestock models, such as Australian White sheep, where it has been linked to variations in litter size and pregnancy duration. There is no established clinical significance for this specific genotype in human health.
Frequency data for this specific insertion/deletion variant in human populations is not currently available in major genomic databases.
Heterozygous insertion carrier
You carry one copy of the 7-nucleotide insertion variant. While this variant has been identified as a marker for reproductive traits in certain sheep breeds, its functional impact in humans remains uncharacterized. This finding should not be interpreted as a diagnostic indicator for any human health condition.
Frequency data for this specific insertion/deletion variant in human populations is not currently available in major genomic databases.
Homozygous insertion carrier
You carry two copies of the 7-nucleotide insertion variant. Current scientific literature associates this variant with reproductive outcomes in sheep, but there is no evidence linking this specific genotype to human reproductive health or other clinical phenotypes. This result is considered a research-grade observation rather than a clinical finding.
Frequency data for this specific insertion/deletion variant in human populations is not currently available in major genomic databases.
What is rs1088697156?
The variant rs1088697156 is a small-scale genetic change characterized by the insertion or deletion of a 7-nucleotide sequence within the KDM3B gene. In genomics, such variants are often referred to as indels. This specific marker has been identified and studied in the context of agricultural genetics, particularly in sheep populations. While many variants in the human genome are single nucleotide polymorphisms (SNPs), this variant involves a slightly larger structural change. It is cataloged in international databases that track genetic variation across species, allowing researchers to monitor how these specific sequences correlate with observable physical traits, known as phenotypes. Because this variant is located within a gene that plays a role in complex biological processes, it has become a subject of interest for scientists studying the genetic basis of reproductive efficiency in livestock.
The Role of the KDM3B Gene
The KDM3B gene, also known as Lysine Demethylase 3B, encodes an enzyme that plays a critical role in regulating gene expression by modifying chromatin structure. In humans, KDM3B is highly significant for proper development. Research has established that pathogenic variants in this gene can lead to a condition known as KDM3B-related syndrome. This syndrome is characterized by developmental delays, intellectual disability, short stature, and certain facial features. The gene is expressed in various tissues and is considered essential for normal brain development and function. Because of its importance in human health, variants in KDM3B are often scrutinized in clinical genetics to determine if they contribute to neurodevelopmental disorders. It is important to distinguish between the functional roles of this gene in human clinical pathology and the specific associations found in agricultural research regarding reproductive traits in animals.
Research Associations and Evidence
The evidence linking rs1088697156 to reproductive traits is currently derived from studies on sheep, specifically the Australian White and Lanzhou Fat-tailed breeds. Published research indicates that this 7-nucleotide variant shows a statistically significant association with traits such as litter size, pregnancy duration, and the rate of live lamb births. In these studies, the 'ID' (insertion/deletion) genotype was observed to be a dominant genotype associated with consistent reproductive performance. The evidence strength for these associations in sheep is considered moderate, as these findings are specific to the populations studied. It is crucial to note that these findings are distinct from the clinical research on KDM3B in humans. There is no current evidence suggesting that this specific 7-nucleotide variant in sheep has a direct, equivalent impact on human reproductive health or clinical outcomes. Genomic associations are often highly dependent on the species and the specific genetic background of the population being analyzed.
What This Information Means for You
For a general reader, it is important to understand that genetic associations found in agricultural research do not necessarily translate to human health implications. While the KDM3B gene is vital in humans, the rs1088697156 variant is primarily a marker used in animal breeding studies. If you have encountered this variant in a personal genetic report, it is essential to interpret it within the correct context. Genetic information can be complex, and associations identified in one species or population may not apply to others. If you have concerns about your own health, developmental history, or reproductive concerns, this variant is not a diagnostic tool. Always consult with a qualified healthcare professional or a genetic counselor who can provide guidance based on your specific clinical history and validated medical testing. Never use information about animal-specific genetic markers to make decisions regarding your own medical care or health management.
How common is this variant?
The frequency of this variant is variable and has been documented specifically within certain sheep breeds, such as Australian White and Lanzhou Fat-tailed sheep, rather than in human populations.
Frequently asked questions
Is rs1088697156 associated with human health?
No. The current research regarding rs1088697156 is focused on reproductive traits in sheep. It is not a recognized marker for human health conditions.
What does the KDM3B gene do in humans?
In humans, KDM3B is involved in chromatin regulation and is essential for normal brain development. Pathogenic variants in this gene are linked to developmental delays and intellectual disability.
Can I use this variant to predict my own reproductive health?
No. This variant is specific to agricultural research in sheep. It has no validated clinical utility for predicting human reproductive health or outcomes.
Where can I find more information on KDM3B-related syndrome?
You can find reliable information on KDM3B-related syndrome through resources like Simons Searchlight or by searching clinical databases like OMIM and MedlinePlus Genetics.
Sources & further reading
Educational information only, last refreshed 10/11/2026. Not medical advice — these associations describe population statistics, not individual predictions.
Curious what your genotype is for rs1088697156?
Upload a raw DNA file from 23andMe, AncestryDNA, MyHeritage, or FamilyTreeDNA and see this variant — plus thousands more — interpreted in your full report.
Get my report — $29