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Related Concept Videos

Hardy-Weinberg Principle01:49

Hardy-Weinberg Principle

Diploid organisms have two alleles of each gene, one from each parent, in their somatic cells. Therefore, each individual contributes two alleles to the gene pool of the population. The gene pool of a population is the sum of every allele of all genes within that population and has some degree of variation. Genetic variation is typically expressed as a relative frequency, which is the percentage of the total population that has a given allele, genotype or phenotype.
Genetic Variation01:25

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...
Testing a Claim about Population Proportion01:24

Testing a Claim about Population Proportion

A complete procedure for testing a claim about a population proportion is provided here.
There are two methods of testing a claim about a population proportion: (1) Using the sample proportion from the data where a binomial distribution is approximated to the normal distribution and (2) Using the binomial probabilities calculated from the data.
The first method uses normal distribution as an approximation to the binomial distribution. The requirements are as follows: sample size is large...
What is Population Genetics?01:25

What is Population Genetics?

A population is composed of members of the same species that simultaneously live and interact in the same area. When individuals in a population breed, they pass down their genes to their offspring. Many of these genes are polymorphic, meaning that they occur in multiple variants. Such variations of a gene are referred to as alleles. The collective set of all the alleles within a population is known as the gene pool.
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Related Experiment Video

Updated: May 22, 2026

Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients
07:34

Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients

Published on: August 22, 2018

EGGS: Empirical Genotype Generalizer for Samples.

T Quinn Smith1, Amatur Rahman1, Zachary A Szpiech1

  • 1Department of Biology, The Pennsylvania State University, University Park, PA 16802, United States.

Bioinformatics Advances
|May 21, 2026
PubMed
Summary
This summary is machine-generated.

Empirical Genotype Generalizer for Samples (EGGS) handles missing genotype data by replicating distributions and offers versatile simulation and file conversion tools for population genetics research.

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Last Updated: May 22, 2026

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Area of Science:

  • Population Genetics
  • Bioinformatics
  • Computational Biology

Background:

  • Genotype data often contains missing values, complicating population genetic analyses.
  • Existing tools may lack flexibility in simulating various genetic scenarios and data formats.

Purpose of the Study:

  • Introduce Empirical Genotype Generalizer for Samples (EGGS), a novel software tool.
  • Address the challenge of missing genotype data and provide advanced simulation capabilities.

Main Methods:

  • EGGS accepts empirical genotypes with missing data, replicating missing genotype distributions.
  • The tool simulates deamination, sequencing errors, and creates pseudohaploids.
  • EGGS facilitates conversion between Variant Call Format (VCF), ms-style replicates, and EIGENSTRAT/ANCESTRYMAP formats.

Main Results:

  • EGGS effectively handles missing genotype data by replicating distributions within empirical segments.
  • The software supports diverse data manipulations including phasing, polarization, and error simulation.
  • EGGS is capable of producing VCF files for non-biallelic sites in diploid samples.

Conclusions:

  • EGGS provides a flexible and comprehensive solution for managing and simulating genotype data in population genetics.
  • The tool enhances the analysis of genetic data with missing values and diverse simulation needs.
  • Availability of source code and executables promotes wider adoption and reproducibility in the field.