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Meiosis
Meiosis
29
Biology
9th Grade
03/29/2011

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Term
Anaphase II
Definition
Sister chromatids are separated and pulled to opposite sides of the cell.
Term
23
Definition
Number of chromosomes found in a typical human sperm.
Term
Metaphase I
Definition
The phase in which homologous pairs of chromosomes line up next to one another along the equator.
Term
Nondisjunction
Definition
When chromosomes fail to separate during meiosis.
Term
Haploid
Definition
Cells with unpaired chromosomes
Term
Diploid
Definition
Cells with paired chromosomes.
Term
Zygote
Definition
Fertilized egg
Term
3rd month of development
Definition
When meiosis 1 begins in females
Term
secondary oocyte and first polar body
Definition
Form when a primary oocyte divides.
Term
Meiosis
Definition
Occurs in the gonands to produce gametes.
Term
crossing over
Definition
Nonsister chromatids exchange genetic information.
Term
Metaphase II
Definition
Chromsomes (not tetrads) line up in the middle of the cell
Term
Anaphase I
Definition
Homologous pairs are pulled to opposite poles of the cell.
Term
Anaphase II
Definition
Centromeres split.
Term
Prophase I
Definition
Chromosomes become visible
Term
Number of cells after telophase I
Definition
2
Term
Telophase II
Definition
4 new haploid cells are formed at the end of this stage.
Term
Number of male gametes that are formed from meiosis.
Definition
4
Term
1
Definition
Number of female gametes formed from meiosis.
Term
Egg
Definition
The gamete that has genes contributed by the mother
Term
Prophase I
Definition
[image]
Term
Metaphase I
Definition
[image]
Term
Anaphase I
Definition
[image]
Term
Telophase I
Definition
[image]
Term
Prophase II
Definition
[image]
Term
Metaphase II
Definition
[image]
Term

Anaphase II
Definition
[image]
Term
Telophase II
Definition
[image]
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