Howard Hughes Medical Institute
Human Chromosomes
Learn a little about what makes humans unique. Young scholars view a video lesson as an introduction to chromosome pairs. Images show pairs of chromosomes including the XX or XY sex chromosome combinations.
Howard Hughes Medical Institute
The Y Chromosome
Forward and backward, it's all the same! Scientists recently discovered the y chromosome's palindrome nature suggests it's possible to for the y chromosome to recombine with itself! An animation resource gives viewers insight into the...
Amoeba Sisters
Alleles and Genes
How do organisms end up with such a wide variety of traits? It's in their genes! Kick off your inherited traits lesson using a brief video that covers alleles and genes. The narrator describes heterozygous and homozygous genotypes, how...
Amoeba Sisters
DNA, Chromosomes, Genes, and Traits: An Intro to Heredity
Chromosomes, genes, traits ... how are they all related? A short video introduces the many factors involved in heredity. Junior geneticists explore the transfer of chromosomes from parents to offspring, the proteins created by base pair...
Amoeba Sisters
Meiosis
Why do siblings often look so different from one another? Discover the process of making gametes using a short video from a large biology playlist. The narrator explains each step while animated chromatids play out the scenario that...
PBS
How Sex Became a Thing
Birds, bees, flowers, trees ... and Funisia dorothea? Biology scholars journey back in time to discover more about the history of sexual reproduction. The video, one of many in a biology playlist, covers our earliest eukaryotic ancestor,...
Veritasium
The Sun Sneeze Gene
Do you sneeze when you go from dark to light areas? Twenty-five percent of the population does! It turns out that the characteristic is due to genetic code. Explore why this happens with a video from the Veritasium playlist that...
FuseSchool
What Are Chromosomes?
Two meters worth of DNA fits into a cell that is only two micrometers wide thanks to chromosomes. A video, part of a Fuse School Biology playlist, explains what chromosomes are and how they work. It describes where they are found and how...
FuseSchool
Genetics and Cell Division Keyword Definitions
Scholars often find new vocabulary overwhelming—help break it down for them. A helpful video addresses the vocabulary associated with genetics and cell division. It offers the definition of each and a short explanation. Cartoon graphics...
FuseSchool
Sperm and Eggs Cells
A human egg cell measures more than 30 times the size of a human sperm cell. An engaging video in the Fuse School playlist discusses the differences between sperm and egg cells. It highlights the reasons for the differences as they come...
Teacher's Pet
Genes and Chromosomes
Doctors sometimes order a karyotype, a picture of the chromosomes present in a single cell, in order to check for chromosomal abnormalities or rare diseases. The video explains the relationship among genes, chromosomes, and karyotypes....
Teacher's Pet
Cell Cycle
The video Introduce class members to the cell cycle and chromosomes with a video that explains the difference between diploid and haploid chromosomes.
SciShow
Is the Y Chromosome Disappearing?
Bye bye, Y! Is the most fundamental difference between men and women slowly going away? Science scholars discover the story behind the ever-shrinking Y chromosome in an interesting human biology video. Topics covered include...
MinuteEarth
Why Can't Mules Have Babies?
The ancient Romans use the saying "When a mule foals" as a metaphor for the impossible. Viewers learn through a video lesson the genetics behind hybrid breeding, giving more meaning to this saying. The instructor explains the...
TED-Ed
Secrets of the X Chromosome
Women just have that X factor! High schoolers watch a short video about X chromosome inactivation, which explains how identical twins can differ genetically even though their DNA sequence is the same.
SciShow
The Science of Men
What makes men so manly? Video begins with a discussion of the y-chromosome and tracks it back through history. It surprises many to learn everyone seems to have one common male ancestor. Then it discusses sexual dimorphism and the...
SciShow
Gynandromorphs: Dual-Sex Animals
Gynandromorphy is when an animal is part male and part female. Video explains the development of gynandromorphs from zygotes. It describes the various combinations of chromosomes that produce different classifications of dual-sex...
SciShow
Why Ferns Have More Chromosomes Than You
Potatoes have more chromosomes than humans. A video explores the number of chromosomes various species have and the theories of the differences. It discusses the process of how genes combine as well as the processes of making extra copies.
SciShow
Why We Age - And How We Can Stop It
As we get older, we age, our bodies and minds deteriorate, but this isn't true of all species. The video begins with why we age and what biological processes cause aging. Then it covers research on worms, mice, and other animals that...
SciShow
Great Minds: Elizabeth Blackburn
Why do some people look young at age 60 while others look old at age 30? Elizabeth Blackburn discovered it is all related to telomeres and telomerase. Her discoveries have not only led to a better understanding of aging, but also to a...
Bozeman Science
What are Chromosomes?
An informative video begins by showing scholars how chromosomes are like encyclopedias. The instructor then explains and differentiates genome, chromosome, sister chromatids, nucleosomes, DNA, genes, and base pairs.
Bozeman Science
X Inactivation
Ever wonder why most calico cats are female? An engaging video explores the inactivation of one of the x-chromosomes in female cats, allowing for calico coloration.
Bozeman Science
Linked Genes
Scholars analyze Morgan's fruit fly lab to learn how genes are linked. The instructor shows that the data from a dihybrid cross was not what Morgan expected, and when re-crossed numerous times, the data did not change. Viewers see gene...
Bozeman Science
Chromosomal Inheritance
Scholars see, through a monohybrid cross, how alleles are distributed during meiosis. The video instructor then explores Thomas Hunt Morgan's research on fruit flies, determining that genes are located on chromosomes and showing that...