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Anatomy 3-Mito/meio

Stack #174923

QuestionAnswer
At the Start of Interphase what is a cell called? Mother Cell
Is the starting cell Haploid or Diploid? Diploid
The # of chromosomes in a original cell for a human? 46
What are the phases of Mitosis Interphase Prophase Metaphase Anaphase telophase
What is the result after telophase 2 Daughter cells- Diploid
how many sister chromatid does the cell have in prophasr I 2
How many cells result from Mitosis? 2
Are the daughter cells haploid or diploid? Diploid
Does Reduction in chromosomes occur in Mitosis? NO
Where does this occur in the body? In all Somatic cells except reproduction cells
Does Mitosis continually happen in everyone's body? yes because of growth,repair, and replacement
INTERPHASE Longest phase when cell is about to divide. G1-Gap 1 Cell grows and produces lot of ribosomes and proteins Synthesis- S When DNA doubles (replicates) G2- Gap 2 cell finishes growing, organelles divide
PROPHASE Centrioles split and go to opposite sides of the cell Nuclear Envelope disappears Nucleolus disappears spindle fibers form between centrioles chromatin winds up around protein to form a chromosome
METAPHASE Spindle fibers line chromosomes(46) up in the middle of the cell Cell divides in two
ANAPHASE Centromeres break spindle fibers pull chromosomes to opposite sides
TELOPHASE 2 new nuclear envelopes 2 new nucleoli Spindle Fibers break down Chromosomes unwind in the chromatin Forms a clevage furrow-Cytoplasm splits
CYTOKINESIS when cytoplasm divides results in 2 identical daughter cells Daughter cells grow up into mother cells
Kinetochore Fibers attached to sister chromatin in metaphase
Polar Fibers go from one centriole to another in metaphase
What type of reproduction is associated with Mitosis Asexual
Mitosis The process of the nucleus (Cell) dividing
What type of cells go through Meiosis? Sex cells
Crossing over when the chromosomes of the same number exchange genes
In Metaphase I how do the chromosomes line up on the equatorial plane They line up in pairs
how are anaphase I and anaphase II different in Anaphase one the homologs match up and there's independent assortment Anaphase II the centromere breaks
Meiosis in Femals Starts at birth and then at puberty and happens once a month
Meiosis in Males starts at puberty and ends at death unless something happens in between
Why does Meiosis only have one interphase? because DNA does not need to replicate anymore
What is a homologous pair? 1 chromosome from mom and 1 chromosome from dad
What are the unusable cells in a females process of meiosis called? 3 polar bodies
why does mitosis occur? replacement repair and growth
why does meiosis occur? to produce gametes
ways meiosis increases variation in offspring? Independent Assortment Crossing over
How often does mitosis occur in the human body? All the time
if a diploid number is 30 what is its haploid number? 15
Why do cells in mitosis result in diploid and cells in meiosis result in haploid Mitosis they don't line up in pairs and in Meiosis they do
why does interphase take so long because it replicates DNA and the organelles are doubling
What type of spindle fibers attach to the chromosomes and pull them apart in ANAPHASE the Kinetachores
What is a zygote a fertilized egg
How is meiosis different from mitosis Mitosis cells only dived once in meiosis they have 2 cell divisions. Meiosis goes from diploid to haploid and mitosis stays diploid the whole time mitosis deals with all somatic cells except reproduction cells and meiosis deals with gametes
What are the three phases of interphase and what happens? G1- Cells grows S-dna replicates G2-Organelles replicate and cell continues to grow
Created by: pmfrazier
 

 



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