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Cells and genetics
(page 3 of 4)Part of an online exhibition created by The Science Faculty in conjunction with the OUDA Project Team in 2014
| Clip 14: | The effect of selection on natural populations |
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| Duration: | 00:06:27 |
| Date: | 1971 |
| Clip 15: | Success in evolutionary terms |
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| Duration: | 00:00:28 |
| Date: | 1971 |
In clip 14 Dr. Holmes explains how the frequency in a population of a mutant gene with selective advantage is likely to increase in successive populations. Excerpts from a film made by Dr. Kettlewell and Professor Tinbergen about two varieties of peppered moth is used to demonstrate this effect.
View clip 14
In clip 15 Dr Varley explains how success in evolutionary terms means passing on of an individual's genes to descendants. For many animals this involves recognition of other individuals of the right species and sex so that viable offspring may be produced.
View clip 15
Cells and genetics (page 3 of 4)
