V4 Cell division 2

• Biologie
• Middelbare school
• vwo
• Leerjaar 4

Good morning!

Program for today

first half: 

• check understanding of key terms (lessonup)
• presentation on meiosis

second half:

• practising meiosis (worksheet + extra exercises)
  

chromosome pair after replication

chromosome pair before replication

1 chromosome with 1 chromatid

1 chromosome with 2 chromatids

Small cylindrical organelles near the nucleus in animal cells, involved in the development of spindle fibres in cell division are ...

1. chromatins
2. chromatids
3. centromeres
4. centrioles

One of two identical halves of a replicated chromosome is (a) ...

1. chromatin
2. chromatid
3. centromere
4. centriole

A complex of DNA and proteins that forms chromosomes within the nucleus of eukaryotic cells is ...

1. chromatin
2. chromatid
3. centromere
4. centriole

The region of a chromosome that links a pair of sister chromatids together, and to which the spindle attaches during cell division is the ...

1. chromatin
2. chromatid
3. centromere
4. centriole

Mitosis vs. meiosis: what are the differences?

Mitosis vs. meiosis: what are the similarities?

why do we need cell division?

growth

repair

reproduction

asexual reproduction

sexual reproduction

crossing over

the human genome: 23 homologous pairs of chromosomes

all organisms vs. just eukaryotes

diploid parent cell

cells undergo DNA replication first

5 min break!

practising meiosis

• Complete the worksheet meiosis (on Classroom) individually

• Done? Order the meiosis or mitosis cards and label them with the right phase

Which of these statements is correct? Discuss