Related Experiment Video
Updated: Aug 16, 2025

05:34
Primordial Germ Cell Transplantation for CRISPR/Cas9-based Leapfrogging in Xenopus
Published on: February 1, 2018
8.4K
Reproductive Risk Estimation Calculator for Balanced Translocation Carriers
Carolyn Trunca1, Nancy R Mendell2, Samantha L P Schilit3,4
1Department of Pathology and Laboratory Medicine, Cell Genetics Division, Cytogenetics, North Shore University Hospital, Manhasset, New York.
Current Protocols
|December 26, 2022
Summary
Balanced translocation carriers face higher reproductive risks. New protocols and a Java program help genetics professionals estimate these risks for patients, aiding reproductive decision-making.
Area of Science:
- Genetics
- Reproductive Medicine
- Biostatistics
Background:
- Balanced translocations can lead to unbalanced gametes, increasing risks of pregnancy loss and birth defects.
- Accurate reproductive risk assessment is crucial for carrier counseling but challenging due to translocation uniqueness.
Purpose of the Study:
- To establish a sustainable protocol for genetics professionals to estimate reproductive risks for balanced translocation carriers.
- To provide a user-friendly tool for calculating and interpreting these risks.
Main Methods:
- Development of risk estimation models using logistic regression analysis.
- Analysis of a dataset comprising over 6000 individuals from 1000+ translocation families.
- Creation of a Java program to implement the predictive models.
Main Results:
- Validated logistic regression models provide improved reproductive risk estimates.
- The protocol and associated software offer a practical method for risk assessment.
- Tutorials ensure user competency in interpreting risk outputs.
Conclusions:
- This protocol offers a standardized and sustainable approach for geneticists to assess reproductive risks in balanced translocation carriers.
- Empowers healthcare providers to deliver precise genetic counseling and support informed patient decisions.
Related Concept Videos
Probability Laws
41.2K
Overview
41.2K
Overview of Transposition and Recombination
16.0K
Transposons make up a significant part of genomes of various organisms. Therefore, it is believed that transposition played a major evolutionary role in speciation by changing genome sizes and modifying gene expression patterns. For example, in bacteria, transposition can lead to conferring antibiotic resistance. Movement of transposable elements within the genetic pool of pathogenic bacteria can aid in transfer of antibiotic-resistant genetic elements. In eukaryotes, transposons can carry out...
16.0K
Non-LTR Retrotransposons
11.7K
As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...
11.7K

