Mitosis & Meiosis Flashcards
How many total chromosomes do humans have?
46
A chromosome is what shape?
Rod shaped
How many pairs of chromosomes are in humans?
23 pairs
Our DNA is divided into chromosomes just like a _____ is divided into _____
Encyclopedia/Volumes
A package of highly condensed nuclear DNA is a
Chromosome
Strands of “loose” DNA
Chromatin
Mitosis is what type of cell division?
Somatic cell division
Mitosis occurs in which cells?
Any cell except sperm and egg cells
In mitosis, one mother cell divides into:
Two daughter cells
T/F: when the mother cell splits, the daughter cells are exact copies?
True
Mitosis occurs in:
Healing and growth
What are the phases of mitosis in order?
Interphase, Prophase, Metaphase, Anaphase, and Telophase
In mitosis, what happens during interphase?
It is the rest phase between cell division.
In mitosis, what happens during Prophase?
Preparation for division
In mitosis, what happens during metaphase?
Spindle fibers extend and attaches at the centromeres
In mitosis, what happens during anaphase?
Spindle fibers pull the chromosomes apart and into the new cell
In mitosis, what happens during telophase?
Cytokinesis occurs (actual splitting of the cell)
What is meiosis?
The development of sex cells
What is a gamete?
A sex cell
What is a female gamete?
The ovum
What is a male gamete?
The sperm cell
Meiosis produces what kind of cell?
Haploid cell
T/F: Mitosis is more complex than Meiosis
False
T/F: meiosis essentially goes through the same steps for cell division as mitosis.
True
Which phase does mitosis go through that meiosis does NOT?
Interphase
What are the steps in reduction division for meiosis?
Prophase I, Metaphase I, Anaphase I, and Telophase I
What are the steps to equatorial division in meiosis?
Prophase II, Metaphase II, Anaphase II, and Telophase II
What is the difference between metaphase in Mitosis and metaphase I in Meiosis?
There isn’t one
What is the difference between division in mitosis and meiosis?
Meiosis splits into 4,
Mitosis splits into 2
What happens in Spermatogenisis?
The formation of Sperm cells
What happens in oogenesis?
The formation of egg cells
