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Genetics and Inheritance

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what is variation

differences between individuals within a population

What is complete dominance

One allele is dominant over the other

Explain the causes, symptoms, treatment and screening process for those with down syndrome

Causes: an extra chromosome 21. Also known as trisomy 21 Symptoms: mental retardation, decreased muscle tone So far there is no cure, but treatment is essential for these disorders Screening: amniocentesis can give us access to a karyotype of an unborn child. Karyotypes of young children can be examined to see if an extra chromosome 21 is found.

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Summary Genetics and inheritance

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Matric CAPS syllabus

Summary
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21 items

1. Flashcards - Dna: the code of life
2. Flashcards - Reproduction in vertebrates
3. Flashcards - Cell division: meiosis
4. Flashcards - Endocrine system
5. Flashcards - Homeostasis
6. Flashcards - Plant responses to the environment
7. Flashcards - Genetics and inheritance
8. Flashcards - Evolution by natural selection
9. Flashcards - Human reproduction
10. Summary - Dna: the code for life
11. Summary - Reproduction in vertebrates
12. Summary - Cell division: meiosis
13. Summary - Homeostasis
14. Summary - Plant responses to the environment
15. Summary - The endocrine system
16. Summary - Genetics and inheritance
17. Summary - Evolution by natural selection
18. Summary - Human reproduction
19. Summary - Human nervous system and sense organs
20. Summary - Human evolution
21. Summary - Human impact on the environment
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