Mitosis/Meiosis Flashcards
What is binary fission?
What type of organism undergoes binary fission?
Binary fission is the process of one cell simply dividing into two.
Prokaryotes
Where might you find a centromere?
Metaphase
What chromosome combination makes a male? What kind makes a female? What type of chromosomes are these?
Male=XY
Female=XX
They are chromosomes
How many chromosomes are found in the human body? How many Pairs?
23 pairs for a total of 46 chromosomes
Haploid Definition and what cells are in it
Single set of chromosomes
Sex cells
Diploid Definition and what cells are in it
Two copies of each chromosomes
Body cells
What happens in interphase? What 3 stages are in interphase?
The cell grows, replicates its chromosomes, and prepares for cell division.
G1, S, G2
What are the steps of mitosis?
Prophase, metaphase, anaphase and telophase, and cytokinesis
How does cancer occur?
When a cell divides uncontrollably and spreads to surrounding tissue
What are spindle fibers used for?
Divides the genetic material in a cell
What is a karyotype?
A karyotype is a individuals complete set of chromosomes
Explain the similarities and differences between mitosis and meiosis
Mitosis creates two identical daughter cells
Meiosis creates two genetically unique cells
What is crossing over?
The exchange of DNA between paired homologous chromosomes
How does meiosis provide genetic variation (Two Things)
Through independent assortment and crossing over
