DNA and Genetics - chapter 4 and 5

Inheritance 
DNA & Genetics

Chapter 4 and 5
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This lesson contains 35 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 45 min

Items in this lesson

Inheritance 
DNA & Genetics

Chapter 4 and 5

Slide 1 - Slide

Planning
- Worksheet check
- Repeat 

Slide 2 - Slide

T
Allele
Dominant
Genotype
Heterozygote
Homozygote
Recessive
Phenotype
Same gene: different forms
Two of the same genes
The weaker allele
Appearance
Two different alleles
The stronger allele
Genetic constitution: the alleles that you have

Slide 3 - Drag question

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1a) Dd x dd

       D     d
d   Dd  dd
d   Dd  dd
50% will have normal hearing

1b) dd x DD

       D     D
d   Dd  Dd
d   Dd  Dd
100% will have normal hearing and will be heterozygous

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2) 'Normal' man x albino woman
                 Bb        x  bb
Their child has bb 

      B     b
b   Bb   bb
b   Bb  bb

50% albino 
50% 'normal'

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3) B = brown
    b = silverblue 
    P=   BB x bb

F1:  B     B
b   Bb   Bb
b   Bb   Bb

100% Brown heterozygous

4) B = brown
    b = silverblue 
       Bb x bb

 F2:   B     b
    b   BB   Bb
    b   Bb   bb

25% homozygous dominant
50% heterozygous
25% homozygous recessive

Genotypic ratio = 1:2:1
Phenotypic ratio = 3:1

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What do squares represent?
A
Female
B
male

Slide 20 - Quiz

What do circles represent?
A
Female
B
male

Slide 21 - Quiz

What do the colored squares represent?
A
Sick
B
Healthy
C
Dead
D
Alive

Slide 22 - Quiz

What does a horizontal line between a circle and square represent?
A
Siblings
B
Married

Slide 23 - Quiz

What does a vertical line represent?
A
Siblings
B
Married
C
Children off

Slide 24 - Quiz

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Dominant or Reccesive?
timer
0:30
A
Dominant
B
Recessive

Slide 27 - Quiz

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How many generations are shown on the pedigree?
A
1 generation
B
2 generations
C
3 generations
D
4 generations

Slide 29 - Quiz

Which parent in the first generation has sickle cell anemia?
A
Father
B
Mother

Slide 30 - Quiz

How many children were born in the 2nd generation?
A
2
B
4
C
6
D
8

Slide 31 - Quiz

How many children were born in the 2nd generation?
A
2
B
4
C
6
D
8

Slide 32 - Quiz

Is the gene for sickle cell anemia likely to be dominant or recessive? Explain your answer

Slide 33 - Open question

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               GET TO WORK
> Make the practice test from 'jaarbijlagen in som'            
What to learn:
Booklet Inheritance: Chapter 1 to 5
(You can also use Unit 5 BS 1 to 3, but this is not necessary.)

Zie jaarbijlagen voor oefeningen, antwoorden en een checklist!

Slide 35 - Slide