Skip to main content

My Courses

Chemistry

Biology

Math

Physics

Business

Social Sciences

Programming

Product & Marketing

AI Tools Channels Home

Textbook Solutions

My Course
Learn
Exam Prep
AI Tutor
Textbook Solutions
Flashcards
Explore
Bookmarks

Table of contents

Skip topic navigation

1. Introduction to Biology2h 40m
2. Chemistry3h 40m
3. Water1h 26m
4. Biomolecules2h 23m
5. Cell Components2h 26m
6. The Membrane2h 31m
7. Energy and Metabolism2h 0m
8. Respiration2h 40m
9. Photosynthesis2h 49m
10. Cell Signaling59m
11. Cell Division2h 47m
12. Meiosis2h 0m
13. Mendelian Genetics4h 44m
14. DNA Synthesis2h 27m
15. Gene Expression3h 20m
16. Regulation of Expression3h 31m
17. Viruses37m
- Viruses
  37m
18. Biotechnology2h 58m
19. Genomics17m
- Genomes
  17m
20. Development1h 5m
21. Evolution3h 1m
22. Evolution of Populations3h 52m
23. Speciation1h 37m
24. History of Life on Earth2h 6m
25. Phylogeny2h 31m
26. Prokaryotes4h 59m
27. Protists1h 12m
28. Plants1h 22m
29. Fungi36m
- Fungi
  19m
- Fungi Reproduction
  17m
30. Overview of Animals34m
- Overview of Animals
  34m
31. Invertebrates1h 2m
32. Vertebrates50m
33. Plant Anatomy1h 3m
34. Vascular Plant Transport2m
- Water Potential
  2m
35. Soil37m
- Soil and Nutrients
  20m
- Nitrogen Fixation
  16m
36. Plant Reproduction47m
- Flowers
  33m
- Seeds
  14m
37. Plant Sensation and Response1h 9m
38. Animal Form and Function1h 19m
39. Digestive System10m
- Digestion
  3m
- Blood Sugar Homeostasis
  7m
40. Circulatory System1h 57m
41. Immune System1h 12m
42. Osmoregulation and Excretion50m
- Osmoregulation and Excretion
  50m
43. Endocrine System4m
- Endocrine System
  4m
44. Animal Reproduction2m
- Animal Reproduction
  2m
45. Nervous System55m
- Neurons and Action Potentials
  8m
- Central and Peripheral Nervous System
  46m
46. Sensory Systems46m
- Sensory System
  46m
47. Muscle Systems23m
- Musculoskeletal System
  23m
48. Ecology3h 11m
49. Animal Behavior28m
- Animal Behavior
  28m
50. Population Ecology3h 41m
51. Community Ecology2h 46m
52. Ecosystems2h 36m
53. Conservation Biology24m
- Conservation Biology
  24m

17. Viruses

Viruses

General Biology

Previous videoNext video

Struggling with General Biology?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Video duration:

4m

Play a video:

Genetic Shift and Drift

khanacademymedicine

747

views

Was this helpful?

Previous videoNext video

Related Videos

Related Practice

Virus Structure

Virus Structure

Jason Amores Sumpter

Virus Replication

Virus Replication

Jason Amores Sumpter

Lytic and Lysogenic Cycles

Lytic and Lysogenic Cycles

Jason Amores Sumpter

Animal Viruses and Retroviruses

Animal Viruses and Retroviruses

Jason Amores Sumpter

Jason Amores Sumpter

Viroids and Prions

Viroids and Prions

Jason Amores Sumpter

Animation: Prions: Diseases

Animation: Prions: Diseases

Animation: Prions: Characteristics

Animation: Prions: Characteristics

Animation: HIV Reproductive Cycle

Animation: HIV Reproductive Cycle

Animation: Simplified Viral Replicative Cycle

Animation: Simplified Viral Replicative Cycle

Animation: Phage Lysogenic and Lytic Cycles

Animation: Phage Lysogenic and Lytic Cycles

Animation: Phage Lytic Cycle

Animation: Phage Lytic Cycle

Prions and Protein Misfolding

Prions and Protein Misfolding

Prions: The Real Zombie-Makers

Prions: The Real Zombie-Makers

What are Prions?

What are Prions?

5 Differences between Virus and Viroid | Virus vs Viroids| BiologyExams4u |

5 Differences between Virus and Viroid | Virus vs Viroids| BiologyExams4u |

Viroids: Possibly the Smallest Pathogens on Earth

Viroids: Possibly the Smallest Pathogens on Earth

Meet Tobacco Mosaic Virus (TMV). TMV has a family called Virgaviridae.

Meet Tobacco Mosaic Virus (TMV). TMV has a family called Virgaviridae.

Transmission of plant viruses | Mechanical and vector transmission of plant viruses

Transmission of plant viruses | Mechanical and vector transmission of plant viruses

Virus - Tobacco Mosic Virus

Virus - Tobacco Mosic Virus

Animation of SARS-CoV-2 entry into human host-cell.

Animation of SARS-CoV-2 entry into human host-cell.

Infection Cycle of Coronavirus (COVID 19)

Infection Cycle of Coronavirus (COVID 19)

Viral Replication of the SARS-CoV-2 virus - NanoBiology Course 2020 - Monday Group

Viral Replication of the SARS-CoV-2 virus - NanoBiology Course 2020 - Monday Group

Replication Cycle of Coronaviruses

Replication Cycle of Coronaviruses

COVID-19 Animation: What Happens If You Get Coronavirus?

COVID-19 Animation: What Happens If You Get Coronavirus?

What is a coronavirus? - Elizabeth Cox

What is a coronavirus? - Elizabeth Cox

Virology Lectures 2021 #17 - Persistent Infections

Virology Lectures 2021 #17 - Persistent Infections

Virology Lectures 2016 #16: Acute Infections

Virology Lectures 2016 #16: Acute Infections

Virology Lectures 2018 #17: Persistent Infections

Virology Lectures 2018 #17: Persistent Infections

Influenza Virus: Flu, Genetic Drift & Shift, Neuraminidase & Hemagglutinin

Influenza Virus: Flu, Genetic Drift & Shift, Neuraminidase & Hemagglutinin

Reassortment, Phenotypic mixing, Recombination and Complementation

Reassortment, Phenotypic mixing, Recombination and Complementation

Antigenic Shift and the H1N1 Influenza A Virus

Antigenic Shift and the H1N1 Influenza A Virus

Influenza Drift and Shift - Negative RNA and the Segmented Genome

Influenza Drift and Shift - Negative RNA and the Segmented Genome

Influenza: Get the (Antigenic) Drift

Influenza: Get the (Antigenic) Drift

Antigenic Drift: How the Influenza Virus Adapts

Antigenic Drift: How the Influenza Virus Adapts

Retrovirus Replication 3D Animation

Retrovirus Replication 3D Animation

Retroviruses: Transcription in Reverse!

Retroviruses: Transcription in Reverse!

HIV life cycle: How HIV infects a cell and replicates itself using reverse transcriptase

HIV life cycle: How HIV infects a cell and replicates itself using reverse transcriptase

Retrovirus reverse transcripiton

Retrovirus reverse transcripiton

RNA synthesis from dsRNA genomes

RNA synthesis from dsRNA genomes

Positive-sense Single-stranded RNA ((+)ssRNA) Virus – RNA Virus Genomes – COVID-19 | Lecturio

Positive-sense Single-stranded RNA ((+)ssRNA) Virus – RNA Virus Genomes – COVID-19 | Lecturio

9 Replication of negative stranded RNA virus

9 Replication of negative stranded RNA virus

replication of RNA virus

replication of RNA virus

Viruses - Part 3: Viral Replication Process

Viruses - Part 3: Viral Replication Process

Virology 2014 lecture #7 - Viral DNA replication

Virology 2014 lecture #7 - Viral DNA replication

Virology Lectures 2016 #8: Viral DNA Replication

Virology Lectures 2016 #8: Viral DNA Replication

DNA virus replication | Virus life cycle

DNA virus replication | Virus life cycle

DNA Viruses - Easy Mnemonics & High Yield Points

DNA Viruses - Easy Mnemonics & High Yield Points

Replication of DNA viruses

Replication of DNA viruses

Herpes simplex virus replication Steps - Microbiology Animations

Herpes simplex virus replication Steps - Microbiology Animations

Viruses: Molecular Hijackers

Viruses: Molecular Hijackers

Viral membrane fusion - Stephen Harrison (Harvard/HHMI)

Viral membrane fusion - Stephen Harrison (Harvard/HHMI)

Viruses - Part 2: DNA vs. RNA Viruses

Viruses - Part 2: DNA vs. RNA Viruses

Viruses - Part 1: Enveloped and Non-Enveloped Viruses

Viruses - Part 1: Enveloped and Non-Enveloped Viruses

How do viruses jump from animals to humans? - Ben Longdon

How do viruses jump from animals to humans? - Ben Longdon

Bacteriophage plaque assay

Bacteriophage plaque assay

Bacteriophage Purification: Streak Plates vs. Plaque Assays

Bacteriophage Purification: Streak Plates vs. Plaque Assays

Plaque Assay: Assay for estimating viral titre or viral concentration [plaque forming units / mL]

Plaque Assay: Assay for estimating viral titre or viral concentration [plaque forming units / mL]

Virus Watch: Counting Viruses

Virus Watch: Counting Viruses

Virus Quantification using plaque assay

Virus Quantification using plaque assay

Viral Plaque Assay | Virus Quantification Using Plaque Assay |

Viral Plaque Assay | Virus Quantification Using Plaque Assay |

The plaque assay

The plaque assay

bacteriophage types

bacteriophage types

M13 Phage Vector | Gene Vloning Usng M13 Phage Vector | M13 Vector |

M13 Phage Vector | Gene Vloning Usng M13 Phage Vector | M13 Vector |

M13 phage genome structure

M13 phage genome structure

Release of M13 bacteriophage

Release of M13 bacteriophage

M13 phage genome replication

M13 phage genome replication

Attachment and entry of M13 phage

Attachment and entry of M13 phage

Mechanism of LYTIC CYCLE

Mechanism of LYTIC CYCLE

Lytic and lysogenic cycles

Lytic and lysogenic cycles

Virus Lysogenic & Lytic Cycle

Virus Lysogenic & Lytic Cycle

Difference between Lytic and Lysogenic cycle of Bacteriophage

Difference between Lytic and Lysogenic cycle of Bacteriophage

Lytic & Lysogenic Pathway | GCSE Biology (9-1) | kayscience.com

Lytic & Lysogenic Pathway | GCSE Biology (9-1) | kayscience.com

Lytic vs Lysogenic Cycle

Lytic vs Lysogenic Cycle

Bacteriophage Replication - Lytic Cycle and Lysogenic Cycle

Bacteriophage Replication - Lytic Cycle and Lysogenic Cycle

Lambda Phage part 1: the basic lifecycle

Lambda Phage part 1: the basic lifecycle

Lambda phage life cycle

Lambda phage life cycle

How T4 and Lambda bacteriophages differ

How T4 and Lambda bacteriophages differ

Molecular mechanism of bacteriophage tail spike proteins in bacterial infection

Molecular mechanism of bacteriophage tail spike proteins in bacterial infection

Virus - Bacteriophage T2

Virus - Bacteriophage T2

Bacteriophage Introduction | nano-biomachines | Basic Science Series

Bacteriophage Introduction | nano-biomachines | Basic Science Series

Viral Structure and Functions

Viral Structure and Functions

Introduction to Viruses and Viral Replication

Introduction to Viruses and Viral Replication

Introduction to Virology and Viral Classification

Introduction to Virology and Viral Classification

Introduction to Viruses

Introduction to Viruses

Viral examples, viroids, and prions

Viral examples, viroids, and prions

Viral Replication

Viral Replication

RNA and DNA Viruses

RNA and DNA Viruses

Types of animal virus infections

Types of animal virus infections

Viruses (Updated)

Viruses (Updated)

Microbiology - Viruses (Structure, Types and Bacteriophage Replication)

Microbiology - Viruses (Structure, Types and Bacteriophage Replication)

Download the Mobile app

Do not sell my personal information

© 1996–2025 Pearson All rights reserved.