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Related Concept Videos

Replication in Eukaryotes01:29

Replication in Eukaryotes

In eukaryotic cells, DNA replication is highly conserved and tightly regulated. Multiple linear chromosomes must be duplicated with high fidelity before cell division, so there are many proteins that fulfill specialized roles in the replication process. Replication occurs in three phases: initiation, elongation, and termination, and ends with two complete sets of chromosomes in the nucleus.
Many Proteins Orchestrate Replication at the Origin
Eukaryotic replication follows many of the same...
Replication in Eukaryotes02:31

Replication in Eukaryotes

Overview
Human Genetics01:28

Human Genetics

Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
Animal Mitochondrial Genetics02:59

Animal Mitochondrial Genetics

Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...
Genetic Material01:20

Genetic Material

Within the human body, a complex and detailed system of trillions of cells works in unison to sustain life. Each cell houses a nucleus, which contains 46 chromosomes divided into 23 pairs. Chromosomes are highly coiled structures made of the genetic material DNA. These chromosomes are essential carriers of genetic information, with half inherited from the mother through her egg and the other half from the father's sperm, combining to create the unique genetic makeup of an individual.
Telomeres and Telomerase02:41

Telomeres and Telomerase

In eukaryotic DNA replication, a single-stranded DNA fragment remains at the end of a chromosome after the removal of the final primer. This section of DNA cannot be replicated in the same manner as the rest of the strand because there is no 3’ end to which the newly synthesized DNA can attach. This non-replicated fragment results in gradual loss of the chromosomal DNA during each cell duplication. Additionally, it can induce a DNA damage response by enzymes that recognize single-stranded DNA.

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Related Experiment Video

Updated: Jun 19, 2026

A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae
10:39

A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae

Published on: September 17, 2020

[Genetic passport--basic contribution to active longevity and maximal life-span duration].

V S Baranov, E V Baranova

    Advances in Gerontology = Uspekhi Gerontologii
    |October 16, 2009
    PubMed
    Summary
    This summary is machine-generated.

    Gene Passes, individual DNA data banks, can enhance active longevity by analyzing genetic predispositions. This review explores their role in personalized medicine and gerontology.

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    A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae
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    Studying Age-dependent Genomic Instability using the S. cerevisiae Chronological Lifespan Model
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    Surveying Low-Cost Methods to Measure Lifespan and Healthspan in Caenorhabditis elegans

    Published on: May 18, 2022

    Area of Science:

    • Genetics
    • Gerontology
    • Personalized Medicine

    Context:

    • The concept of Gene Pass as an individual DNA data bank is explored.
    • Aging processes involve age-regulated genes like biological clock and weak chain genes.
    • Genetic testing for multifactorial disorders and interpretation challenges are discussed.

    Purpose:

    • To review the potential of Gene Passes for achieving active longevity.
    • To outline the role of specific genes in human aging.
    • To discuss the significance of genetic testing and Genome Wide Association Studies (GWAS).

    Summary:

    • Gene Passes reflect unique genetic data for maximizing lifespan.
    • Participation of age-regulated genes in aging is briefly outlined.
    • Genetic testing for common disorders and interpretation issues are mentioned, with a focus on GWAS technology.

    Impact:

    • Gene Passes offer personalized genetic insights for health and longevity.
    • The review highlights scientific and social interests in DNA data banks for various populations.
    • Potential contributions to gerontology and practical medical services are reviewed, linking to the "Personificated Genome" program.