Mitosis/meiosis Flashcards
1
Q
Mitosis
A
A cell splits to create two identical copied of the original cell
2
Q
Meiosis
A
Split to form new cells with half the usual number of chromosomes to produce gametes for sexual reproduction
3
Q
Mitosis process
A
Number of organelles increases to ensure that each of the two new cells receives copies of all the organelles
Chromosome in nucleus is copied
Chromatids pulled apart and moved towards poles
Chromosomes separate
Cell divides
4
Q
What is the cell cycle
A
The process of growth and division
5
Q
Meiosis
A
Used to produce male and female gametes
Parent cell Chromosomes make identical copies of themselves Similar chromosomes pair Sections of DNA get swapped Pairs of chromosomes divide Chromosomes divide
6
Q
What is a zygote
A
The nuclei of the sperm and egg join to form a zygote
7
Q
How many chromosomes does a human body cell contain?
A
46 chromosomes and 23 pairs
