Core knowledge Flashcards
1
Q
When precisely in the cell cycle is DNA replicated?
A
S phase of interphase
2
Q
State the term given to two identical DNA molecules
A
Chromatids
3
Q
Which stage of mitosis do chromatids coil and condense to form chromosomes?
A
Prophase
4
Q
Name the organelle that forms spindle fibres
A
Centrioles
5
Q
Find the wrong word and replace it: centromeres split during anaphase
A
Centromeres divide during anaphase
6
Q
State the term given to matching sets of chromosomes
A
Homologous chromosomes
7
Q
State the term for chromatids getting entangling during prophase 1
A
Crossing over
8
Q
When precisely does independent assortment take place?
A
Metaphase 1 & 2
9
Q
State the term given to the point at which chromatids break and rejoin
A
Chiasmata
10
Q
What is the result of meiosis?
A
4 genetically different haploid cells
