Mitosis Flashcards
(19 cards)
What is mitosis?
Cell division for asexual reproduction, repair, growth, and regeneration
Mitosis is a process that enables a single cell to divide and produce two identical daughter cells.
What are the purposes of mitosis?
- Asexual reproduction
- Repair dead cells
- Growth
- Regeneration
Each purpose highlights a different role that mitosis plays in living organisms.
What phase does a cell enter before mitosis?
Interphase
Interphase is the phase where the cell prepares for division by replicating its DNA.
What happens during interphase before mitosis?
The cell is replicating
This replication is crucial for ensuring that each daughter cell receives an identical set of chromosomes.
What is the first phase of mitosis?
Prophase
In prophase, chromosomes become visible as they condense.
What occurs during metaphase?
Chromosomes line up in the middle
This alignment is crucial for the equal distribution of chromosomes.
What happens in anaphase?
Chromosomes are pulled away
This phase ensures that each daughter cell will receive an identical set of chromosomes.
What is formed during telophase?
Two nuclei form
This phase prepares the cell for division into two daughter cells.
Fill in the blank: In prophase, _______ become visible.
chromosomes
True or False: In metaphase, chromosomes are pulled apart.
False
In metaphase, chromosomes are aligned in the middle, not pulled apart.
Fill in the blank: During ______, two nuclei are formed ready to create two cells.
telophase
How many chromosomes are there in humans?
42 chromosomes
This is incorrect; the correct number is 46 chromosomes.
What is the diploid number?
Complete number of chromosomes in 23 pairs
What is the haploid number?
Half the total number of chromosomes
What type of cells contain the haploid number of chromosomes?
Sex cells (gametes)
How many sex chromosomes are there?
2 sex chromosomes
What is the total number of chromosomes in humans?
46 chromosomes
What are the sex chromosomes in humans?
X - Female, Y - Male
What are chromosomes that are not sex chromosomes called?
Autosomes
