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V4 Cell division/Reproduction 4
Welcome!
Please
put your phone away
and have the following ready on your table:
Macbook/computer
Textbook
California condor assignment from Tuesday (if you brought it with you)
1 / 13
suivant
Slide 1:
Diapositive
Biologie
Middelbare school
vwo
Leerjaar 4
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Welcome!
Please
put your phone away
and have the following ready on your table:
Macbook/computer
Textbook
California condor assignment from Tuesday (if you brought it with you)
Slide 1 - Diapositive
Program for today
Questionnaires
Discuss answers condor assignment (+ meiosis worksheet)
5 minute break
What are the (parts of) the reproductive organs? Discussion + practise
Slide 2 - Diapositive
Hand in worksheet meiosis
Slide 3 - Diapositive
Questionnaires
Please
fill out the two questionnaires
on the Classroom:
one about your interaction with and impression of me as a teacher (anonymous)
one about different activities during class (not anonymous)
you get
until 12.10
for this
Slide 4 - Diapositive
California condor assignment
- How could an egg cell that has not been fertilised by sperm develop into diploid offspring?
- Why can female condors only give birth to male condors?
Slide 5 - Diapositive
Slide 6 - Diapositive
Slide 7 - Diapositive
Gametogenesis: when?
Slide 8 - Diapositive
Gametogenesis: when?
Spermatogenesis:
- starts during puberty
- keeps occurring for entire life
- millions of sperm produced per day
- the process of producing a sperm cell takes about 2-3 months
Oogenesis:
- starts in the womb but stays in prophase I until puberty
- stops during menopause (usually 40s-50s)
- only a few cells mature every menstrual cycle
Slide 9 - Diapositive
Gametogenesis: where?
Slide 10 - Diapositive
Slide 11 - Diapositive
Slide 12 - Diapositive
Individual work:
Complete the
worksheet reproductive organs
Check your answers to the meiosis worksheet
Done? "Hardopdenkopdracht"/cell division puzzles/worksheet recognising phases
Slide 13 - Diapositive
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