Clip description Keywords
An application of genetic modification in food
An application of genetic modification in food

Duration: 01:19

By genetically modifying fish to produce omega 3, scientists may be able to promote health in humans and reduce over-fishing.

 
Cell division by mitosis
Cell division by mitosis

Duration: 01:27

A cell divides by mitosis - time lapse photography.

 
Cell division by mitosis and meiosis
Cell division by mitosis and meiosis

Duration: 02:24

An explanation of the process of cell division by mitosis and meiosis.

 
Classification techniques and the search for useful plants
Classification techniques and the search for useful plants

Duration: 04:36

Classification of plants continues to be very important. Scientists now use techniques including electron microscopy and DNA analysis. This is illustrated by the search for a plant with medicinal properties.

 
Cloning techniques and tissue sampling
Cloning techniques and tissue sampling

Duration: 3:04

How can using the DNA from endangered species prevent extinction? The construction of a DNA library from tissue samples.

 
Creating a GM plant
Creating a GM plant

Duration: 01:32

A report from a laboratory in which genetically modified plants are created.

 
DNA and the Human Genome Project
DNA and the Human Genome Project

Duration: 04:42

An introduction to DNA, the Human Genome Project and genetic screening for diseases.

 
DNA hopes for prehistoric beasts
DNA hopes for prehistoric beasts

Duration: 01:25

Scientists say it is only a matter of time before extinct animals such as the sabre-tooth tiger and the woolly mammoth can be resurrected.

 
Dominant and recessive characteristics
Dominant and recessive characteristics

Duration: 01:09

A description of Gregor Mendel's work with pea plants to demonstrate dominant and recessive inheritance.

 
Ethics of the Human Genome Project
Ethics of the Human Genome Project

Duration: 05:48

An interview with a scientist who worked on the Human Genome Project. The potential benefits in terms of developing preventive medicine are huge, but ethical issues are also raised.

 
Gene therapy and cystic fibrosis
Gene therapy and cystic fibrosis

Duration: 03:35

An explanation of the cause and effects of the genetic disorder cystic fibrosis and how it can be treated using gene therapy.

 
Genetic engineering to increase productivity in rice
Genetic engineering to increase productivity in rice

Duration: 06:16

A look at work to genetically modify rice plants, improving their ability to photosynthesise in hot, dry conditions.

 
Genetic modification of papaya
Genetic modification of papaya

Duration: 04:59

Liz Bonin from 'Bang Goes The Theory' discovers papaya plants on Hawaii have been genetically modified on two separate occasions to overcome diseases.

 
Genetically modified crops
Genetically modified crops

Duration: 01:46

Liz Bonnin from 'Bang Goes The Theory' gives a brief description of the process of genetic modification using genetically modified fruit as genes.

 
Genetically modified tomatoes may have anti-cancer properties
Genetically modified tomatoes may have anti-cancer properties

Duration: 01:49

Scientists have developed purple tomatoes by crossing genes with a snapdragon flower. The resulting GM fruit is thought to have anti-cancer properties.

 
Identical twins and cloning
Identical twins and cloning

Duration: 03:38

The story of twins separated at birth is used to explain clones and cloning, both natural and artificial.

 
Inheritance of eye colour
Inheritance of eye colour

Duration: 01:19

The combination of paired genes is used to explain inheritance of eye colour.

 
Inheritance: A history of sex, genes and DNA
Inheritance: A history of sex, genes and DNA

Duration: 04:28

An animated history of our understanding of inheritance from Aristotle to Watson and Crick.

 
Live Forever
Live Forever

Duration: 03:27

Students are used to model the process of DNA replication showing how nucleotides are lost during each replication.

 
Mitochondrial DNA
Mitochondrial DNA

Duration: 03:35

Liz Bonnin from 'Bang Goes The Theory' gives a detailed description of the differences between chromosomal and mitochondrial DNA in terms of inheritance.

 
Mitochondrial DNA and presenter’s ancestors
Mitochondrial DNA and presenter’s ancestors

Duration: 03:07

Liz Bonnin, Dallas Campbell and Jem Stansfield from 'Bang Goes The Theory' learn how their ancestors migrated from Africa. The specific paths of the migrations have been determined by using mitochondrial DNA.

 
Mitochondrial Eve
Mitochondrial Eve

Duration: 03:09

Liz Bonnin from 'Bang Goes The Theory' explains how tiny mutations in mitochondrial DNA have been used to track all humans alive today back to one common female ancestor named Mitochondrial Eve, who lived approximately 200,000 years ago in Africa.

 
Muriel Weldale and complex gene interactions
Muriel Weldale and complex gene interactions

Duration: 03:33

Through studying flower colour inheritance in snapdragons, Muriel Wheldale established that several genes interact to influence flower colour.

 
Mutations and genetic diseases
Mutations and genetic diseases

Duration: 03:41

An explanation of what mutations are and some of their causes. The effects that mutations can have are also discussed. Genetic diseases are investigated.

 
Norman Borlaug and selective breeding of wheat
Norman Borlaug and selective breeding of wheat

Duration: 05:28

Selective breeding of wheat in the 1950s produced plants which had a high yield and were strong enough to withstand adverse weather. This wheat is now grown globally and has reduced the incidence of famine.

 
Sex chromosomes
Sex chromosomes

Duration: 02:40

An explanation of how the sex chromosomes determine gender. An introduction to genes and chromosomes is given.

 
Stem cell research and medicine
Stem cell research and medicine

Duration: 04:50

What is stem cell research and how can stem cells be used in medicine? Ethical issues surrounding this topic are discussed.

 
The Aging process
The Aging process

Duration: 03:08

Dr Tom Vulliamy describes the role of telomeres in the aging process and how telomerase enzyme can prevent ageing in cells.

 
The case for genetically modified crop plants
The case for genetically modified crop plants

Duration: 01:32

The case is made for modifying the genomes of crop plants in order to improve yields and feed the growing world population.

 
The discovery of gene switches in maize
The discovery of gene switches in maize

Duration: 08:09

Barbara McClintock's breeding experiments on maize resulted in the theory of gene switches and gene interactions.

 
The ethics of genetic modification
The ethics of genetic modification

Duration: 04:52

Liz Bonnin from 'Bang Goes The Theory' talks to scientists who describe some of the ethics surrounding genetic modification. A balanced argument is presented with several scientists putting points for and against.

 
Variation, inheritance and the work of Mendel.
Variation, inheritance and the work of Mendel.

Duration: 04:52

Variation in the plant kingdom is used to introduce 19th century study of inheritance, including the work of Gregor Mendel.

 
Vavilov and the establishment of the first seed banks
Vavilov and the establishment of the first seed banks

Duration: 03:15

Nikolai Vavilov’s aim to cross different varieties of plants led him to establish the first seed bank. This method of storing genetic material is now internationally important.

 
What happens to chromosomes in fertilisation?
What happens to chromosomes in fertilisation?

Duration: 02:15

An animation and presenter narration shows haploid sex cells fusing and chromosomes pairing up.

 
William Bateson and  patterns of inheritance
William Bateson and patterns of inheritance

Duration: 06:02

William Bateson demonstrated a common pattern to inheritance of phenotypic characteristics. All his breeding experiments produced a 3:1 ratio.

 

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