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Mitosis and Meiosis (Ch. 3/4)
Terms in this set (37)
2 identical daughter cells
In MITOSIS, a parent cell results in ____________________________.
4 genetically different daughter cells
In MEIOSIS, a parent cell results in ___________________________.
Diploid (homologous pairs)
Based on the number of sets of chromosomes in each cell, how would you describe the daughter cells of MITOSIS?
Based on the number of sets of chromosomes in each cell, how would you describe the daughter cells of MEIOSIS?
Which types of cells are produced by MITOSIS?
Sex cells/egg and sperm
Which types of cells are produced my MEIOSIS?
MITOSIS produces how many cells (after one round of division)?
MEIOSIS produces how many cells (after both rounds of division)?
The type of reproduction with which MITOSIS is associated.
The type of reproduction with which MEIOSIS is associated.
The number of total chromosomes in a human sex cell (egg/sperm).
The number of total chromosomes in a human body cell.
Meiosis I (prophase through telophase) and Meiosis II, (prophase through telophase)
The two overall stages of meiosis.
Event that occurs during meiosis I; increases the genetic variation of the offspring.
Pieces of homologous chromosomes trade pieces, causing new gene combinations
What happens during crossing over?
The type of cell division that produces two (2) total daughter cells.
The type of cell division that produces four (4) total daughter cells.
Phase of mitosis where the nucleus disappears and the chromosomes become visible
Phase of mitosis where the replicated chromosomes line up across the middle of the cell
Phase of mitosis where the sister chromatids split at the centromere and move to opposite ends of the cell
Phase of mitosis where two new nuclei form at opposite ends of the cell
Stage of the cell cycle where the cell splits in two
Stage of the cell cycle that occurs before mitosis; when the cell spends 90% of its time growing, performing cell functions, and replicating chromosomes
DNA and protein
Chromosomes are made of these two things
a diploid cell called a zygote
When a sperm fertilizes an egg, this results
We refer to meiosis as _____________ because the number of chromosomes is reduced by the end of the cell division process.
we would not produce eggs/sperm so we could not reproduce
What would result if our bodies could not undergo meiosis
grow, replace cells, and repair cells
Purpose of mitosis is to
Interphase, mitosis (prophase, metaphase, anaphase, telophase), cytokinesis
The order of the stages of the cell cycle
Uncontrolled mitosis results in this
Cancerous cells that spread throughout the body are called ______________
Cancerous cells that do not spread throughout the body are called ___________
No--those cells could be early or late in that phase, so they would look slightly different
Would all cells in a given phase (like anaphase) look the same?
stages of cell cycle and parts of cell involved
View the cell and identify the phases of the cell cycle/mitosis and parts of the cell
Meiosis-cell in interphase, homologous chromosomes duplicate, cell divides at end of meiosis I, cell divides again into haploid chromosomes at end of meiosis II
View image--what is being shown?
Cell in interphase--chromosomes appear as chromatin and will soon duplicate
View image. What is being shown?
Stages of the cell cycle, from interphase to cytokinesis
View image--what is being shown?
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