4.5 Human fertilisation
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Slide 1 - Diapositive
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 - Quiz
Slide 3 - Diapositive
Slide 4 - Diapositive
Wat is fertilisation?
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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 - Quiz
The egg cell is fertilised by a sperm cell.
Where does this take place?
Where does this take place?
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A
in the uterus
B
in the oviduct
C
in the vagina
D
in the ovary
Slide 6 - Quiz
After fertilisation the egg cell has the same DNA as before fertilisation
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A
True
B
False
Slide 7 - Quiz
Fertilisation in a lab, in a lab dish is...
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A
Sexual reproduction
B
Asexual reproduction
Slide 8 - Quiz
Slide 9 - Diapositive
Slide 10 - Diapositive
Slide 11 - Diapositive
Slide 12 - Vidéo
Slide 13 - Diapositive
Slide 14 - Diapositive
Slide 15 - Diapositive
Slide 16 - Diapositive
Slide 17 - Diapositive
How many sperm cells and egg cells are needed for identical twins?
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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 - Quiz
How many sperm cells and egg cells are needed for fraternal twins?
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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
