Скачать или смотреть GCSE Biology Revision "Inheritance of Sex"

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In this video, we look at the inheritance of sex. We find out about sex chromosomes and then look at how these determine the sex of offspring.

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Karyotype By National Cancer Institute - This image was released by the National Cancer Institute, an agency part of the National Institutes of Health, with the ID 2721 (image) (next).This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing for more information.English | Français | +/−, Public Domain, https://commons.wikimedia.org/w/index...

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Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/...)
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