Related Experiment Video
Updated: Aug 11, 2026

12:31
In Vivo Modeling of the Morbid Human Genome using Danio rerio
Published on: August 24, 2013
Phenotypic heterogeneity between different mutations of MODY subtypes and within MODY pedigrees
Diabetologia
|February 28, 2006
Summary
No abstract available in PubMed .
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Pedigree Analysis
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Genetic Variation
Genetic variation is the diversity in DNA sequences found among individuals of the same species. This diversity is crucial for a species' survival because it helps organisms adapt to environmental changes. Genetic variation begins with fertilization, where an egg and sperm cell merge. Each of these cells carries 23 chromosomes, up to 46 in the fertilized egg. Chromosomes are long DNA strands that contain genes, the basic units of heredity.
Genes exist in different versions called alleles, which...
Genes exist in different versions called alleles, which...
Multiple Allele Traits
The Concept of Multiple Allelism
Multiple Allele Traits
The Concept of Multiple Allelism
Incomplete Dominance
Gregor Mendel's work (1822 - 1884) was primarily focused on pea plants. Through his initial experiments, he determined that every gene in a diploid cell has two variants called alleles inherited from each parent. He suggested that amongst these two alleles, one allele is dominant in character and the other recessive. The combination of alleles determines the phenotype of a gene in an organism.

