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Genetics & Evolution: Inheritance Theory 𧬠GCSE Biology Learning & Revision
Manage episode 481270937 series 3139280
In this episode, we look into the Inheritance Theory.
Lamarck's theory of acquired inheritance proposed that traits developed during an animal's life could be passed to its offspring.
The classic example used to illustrate this idea involved giraffes whose necks supposedly grew longer through repeated stretching to reach high foliage.
Lamarck argued that this acquired longer neck would then be inherited by subsequent generations.
However, the provided text explicitly states that this theory has been disproven. Modern understanding of genetics shows that changes occurring within an organism's lifetime are not heritable.
Don't miss out on subscribing for more educational content tailored to help you succeed in your exams. Perfect for AQA, OCR, Edexcel, CIE and WJEC exam boards.
171 episodes
Manage episode 481270937 series 3139280
In this episode, we look into the Inheritance Theory.
Lamarck's theory of acquired inheritance proposed that traits developed during an animal's life could be passed to its offspring.
The classic example used to illustrate this idea involved giraffes whose necks supposedly grew longer through repeated stretching to reach high foliage.
Lamarck argued that this acquired longer neck would then be inherited by subsequent generations.
However, the provided text explicitly states that this theory has been disproven. Modern understanding of genetics shows that changes occurring within an organism's lifetime are not heritable.
Don't miss out on subscribing for more educational content tailored to help you succeed in your exams. Perfect for AQA, OCR, Edexcel, CIE and WJEC exam boards.
171 episodes
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