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4.5 Human fertilisation
1 / 21
volgende
Slide 1:
Tekstslide
Biologie
8th Grade
In deze les zitten
21 slides
, met
interactieve quizzen
,
tekstslides
en
2 videos
.
Lesduur is:
45 min
Start les
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Onderdelen in deze les
Slide 1 - Tekstslide
Als er geen bevruchting is, dan
A
vervalt het geel lichaam en worden oestrogenen en progesteron niet meer aangemaakt en start de menstruatie
B
wordt het geel lichaam gestimuleerd en blijft er oestrogeen en progesteron gemaakt worden, daardoor start de menstruatie
Slide 2 - Quizvraag
Slide 3 - Tekstslide
Slide 4 - Tekstslide
Wat is fertilisation?
timer
0:20
A
Nucleus egg cell melts with nucleus sperm cell
B
Egg cell starts to divide
C
Sperm cell starts to divide
D
Development into baby by egg cell with sperm cell
Slide 5 - Quizvraag
The egg cell is fertilised by a sperm cell.
Where does this take place?
timer
0:20
A
in the uterus
B
in the oviduct
C
in the vagina
D
in the ovary
Slide 6 - Quizvraag
After fertilisation the egg cell has the same DNA as before fertilisation
timer
0:20
A
True
B
False
Slide 7 - Quizvraag
Fertilisation in a lab, in a lab dish is...
timer
0:20
A
Sexual reproduction
B
Asexual reproduction
Slide 8 - Quizvraag
Slide 9 - Tekstslide
Slide 10 - Tekstslide
Slide 11 - Tekstslide
Slide 12 - Video
Slide 13 - Tekstslide
Slide 14 - Tekstslide
Slide 15 - Tekstslide
Slide 16 - Tekstslide
Slide 17 - Tekstslide
How many sperm cells and egg cells are needed for identical twins?
timer
0:20
A
1 egg cell + 1 sperm cell
B
1 egg cell + 2 sperm cells
C
2 egg cells + 1 sperm cell
D
2 egg cells + 2 sperm cells
Slide 18 - Quizvraag
How many sperm cells and egg cells are needed for fraternal twins?
timer
0:20
A
1 egg cell + 1 sperm cell
B
1 egg cell + 2 sperm cells
C
2 egg cells + 1 sperm cell
D
2 egg cells + 2 sperm cells
Slide 19 - Quizvraag
Slide 20 - Video
Slide 21 - Tekstslide
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