2. Meiosis karyotyping and non-disjunction

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BiologieMiddelbare schoolvwoLeerjaar 4

Cette leçon contient 36 diapositives, avec quiz interactifs et diapositives de texte.

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Slide 1 - Diapositive

Slide 2 - Diapositive

How many cell divisions are there in meiosis?
A
1
B
2
C
3
D
4

Slide 3 - Quiz

In the first meiotic division...
A
Sister chromatids separate
B
Homologous chromosomes separate

Slide 4 - Quiz

In the second meiotic division...
A
Sister chromatids separate
B
Homologous chromosomes separate

Slide 5 - Quiz

What are the products of meiosis?
A
Two diploid (2n) cells
B
Four diploid (2n) cells
C
Two haploid (n) cells
D
Four haploid (n) cells

Slide 6 - Quiz

Slide 7 - Diapositive

23 pairs of homologous chromosomes
46 chromosomes in total

Slide 8 - Diapositive

Slide 9 - Diapositive

Slide 10 - Diapositive

Have you heard of chromosomal abnormalities?
Yes
No

Slide 11 - Sondage

Of which chromosomal abnormalities have you heard?

Slide 12 - Carte mentale

Slide 13 - Diapositive

Slide 14 - Diapositive

Slide 15 - Diapositive

In the following slides, in which chromosome pair can you spot the aneuploidy?

Slide 16 - Diapositive

Slide 17 - Carte mentale

Slide 18 - Diapositive

Slide 19 - Carte mentale

Slide 20 - Diapositive

Slide 21 - Carte mentale

Slide 22 - Diapositive

Slide 23 - Carte mentale

Slide 24 - Diapositive

Slide 25 - Carte mentale

Slide 26 - Diapositive

What about the other chromosomes?
Do they also have aneuploidies?
Where are they?

Slide 27 - Carte mentale

Creates sperm and egg cells (gametes)
A
Mitosis
B
Meiosis
C
Both

Slide 28 - Quiz

Produces two diploid (2n) daughter cells
A
Mitosis
B
Meiosis
C
Both

Slide 29 - Quiz

Involves two successive cell divisions
A
Mitosis
B
Meiosis
C
Both

Slide 30 - Quiz

Creates a human cell with 23 pairs of chromosomes
A
Mitosis
B
Meiosis
C
Both

Slide 31 - Quiz

Starts with a diploid parent cell
A
Mitosis
B
Meiosis
C
Both

Slide 32 - Quiz

Daughter cells are genetically different
A
Mitosis
B
Meiosis
C
Both

Slide 33 - Quiz

Cells undergo DNA replication
A
Mitosis
B
Meiosis
C
Both

Slide 34 - Quiz

Recombination of genetic information through crossing-over
A
Mitosis
B
Meiosis
C
Both

Slide 35 - Quiz

When I order a passport, I must tick a box male/female
What do I tick if my child has Klinefelter syndrome?
Male
Female
Both

Slide 36 - Sondage