Mitosis Flashcards
What are the original cells called?
Parent cells
What are the two reasons cells stop growing, or split?
- Here is not enough DNA to meet the cells needs
2. Limited surface area
What are the split cells called?
Daughter cells
Hat happens in cell division?
Each chromosome is copied exactly.
Chromosomes are sorted so that each daughter cell gets a complete set
What is DNA wound up against?
Histones
What is DNA called when it is wound up against the his tones?
Chromatin
Chromosomes
Long cylindrical structures that contains DNA, an individual chromosomal rod
Centromere
Hold the chromosome together
What are chromosomes called after they are joined together?
Sister chromosomes, or chromosomes
How many copies of chromosomes do most organisms have?
2
Where do the two copies of chromosomes come from?
Mom (egg)
Dad (sperm)
What is a cell that has two copies of a chromosome called?
Diploid
What is a cell with only one copy of chromosomes called?
Haploid
How many chromosomes do humans have?
23 (46)
Homologous pair
Each pair of identical chromosomes