5.5 When genes change

It runs in the family




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Slide 1: Diapositive
BiologieMiddelbare schoolvwoLeerjaar 3

Cette leçon contient 11 diapositives, avec quiz interactifs, diapositives de texte et 2 vidéos.

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It runs in the family




Benodigheden
- iPad
- Pen, pencil
- note book
- binder

For a mark
- No


Lessonup
- Yes
Bags
in bag closet
Phones 
in phone closet

Slide 1 - Diapositive

today''s program 
par. 5.5

Learning objectives: your're able to 
  • explain what a mutation is and by what it is caused
  • explain how a disease can be inherited from one generation to the next



Slide 2 - Diapositive

How do you get a mutation in your DNA?

Slide 3 - Question ouverte

mutations
- no change occurs in the phenotype
- small change occurs in the phenotype  -----------------> 
- big change occurs in the phenotype  

can be negative/neutral/beneficial

Slide 4 - Diapositive

mutations 
occur in a gene or a chromosome
             in a somatic cell or a sex cell 

are caused by known mutagens 
  • shortwave radiation: UV light, X-ray, radioactive decay 
  • DNA reactive chemicals (f.e. benzene, agents in cigarette smoke)
  • some bacteria and virusses 
  • some metals (f.e. cadmium, chromium)






Slide 5 - Diapositive

Write down an example of a
- beneficial mutation
- neutral mutation
- negative mutation

Slide 6 - Question ouverte

Slide 7 - Vidéo

what causes the faulty allele for Huntington's disease still to exist?

Slide 8 - Question ouverte

Slide 9 - Vidéo

homework
learn 5.5
do exercises 1-7

Slide 10 - Diapositive

Which new words did you learn today?

Slide 11 - Carte mentale