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Terms in this set (51)
cell division used for asexual reproduction by unicellular organisms
the pairing of homologous chromosomes during meiosis
the haploid number of chromosomes lined up in single file in the middle of the spindle in meiosis
results in 4 daughter cells each with half of the mother cell's chromosomes
the union or fusion of gametes
A fertilized egg
Haploid sex cells
The diploid number for humans
Meiosis to form sperm
Another name form Meiosis
Meiosis to form an egg
Fastest dividing human cell
the two identical copies of a chromosome still bound together at the centromere
results in 2 daughter cells identical to each other and the mother cell
words describing the two chromosomes in pair that have genes that code for the same traits
having two chromosomes of each pair normal body cells
Key event during S phase
Haploid # in humans
the exchange of parts by nonsister homologous chromatids during meiosis
homologous pairs of chromosomes line up in the middle of the spindle during meiosis
homologous pairs of chromosomes separate and move to opposite poles chromatids do not separate
Sister chromatids seperate move to opposite poles in meiosis
Chromosomes pulled apart
4 haploid cells, 23 chromosomes
What is the result of Meiosis?
The # of chromosomes in the neclueus.
Pairing of 2 HC in meosis
Small red cells
Cell division dipolid cells are made
Dna and attactched proteins scrunched in the nucleaus
Divison in whicht genetic recombination happens
Diploid (2n) All but sex cells
2 HC in the pair, which cells?
Haploid (n) sex cells
1 HC in the pair, which cells?
Where meiosis occurs
How prophase I differs in meosis
When 2 games join, they form a what?
A chromosome that is not a sex one.
Synapsis and Crossing over
Occur in Prophase I
Segregation and Independent Assortement
Occurs in Metaphase I
Cell divdes twice but only copies DNA once
Homologous pairs find each other to from a tetrad
Tetrads seperate not sister chromatids
Meta, Ana, and Telo I simular to mitosis except ...
F- 1 fertile and 3 polar bodies
Result of oogenesis
M- 4 fertile
Result of spermoogenis
2 haploid cells
After meiosis I you have..
4 haploid cells
after meiosis II you have..
helps digest polar bodies
Mitosis- 2 Diploid cells, genetically Identical, somatic (body Cells)
Mitosis results in:, cells are:, occurs in:
Meiosis- 4 Haploid cells, genetically different, sex cells
Meiosis results in:, cells are:, occurs in:
The process of random segregation and assortment of chromosomes during anaphase I, resulting in the production of genetically unique gametes.
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