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19th Biology Miiosis

Jorge Miosis Review

The 23rd pair of chromosomes that is different in males and females are called ______________ sex chromosomes
Human males have one X and one Y chromosomes
The gamete that contains genes contributed only by the mother is ______ an egg
Gametes are always _________ haploid
Cells containing two complete sets of chromosomes are considered _________ diploid
What structure do spindle fibers come from? centrioles
Crossing over occurs after what phase in meiosis. Prophase 1
The male and female sex cells are called gametes
A fertilized zygote is made when two gametes join together
At the end of meoiosis, ____________ daughter cells are created. 4 haploid
Nuclear membranes disappear; homologous chromosomes pair up and form a tetrad. Prophase 1
Homologous chromosomes pairs get separated and pulled to opposite sides. Anaphase 1
Four new nuclear membranes begin to reform Telophase 2
Chromosomes line up along the middle, they are not in homologous pairs Metaphase 2
Sister chromatids separate to opposite sides Anaphase 2
Chromosomes line up along the middle. Metaphase 1
Cytoplasm divides, 2 daughter cells are formed Cytokinesis 1
Two new nuclear membranes begin to reform Telophase 1
Nuclear membranes disappear; chromosomes come together but no tetrad is formed Prophase 2
Cytoplasm divides, 4 daughter cells are formed Cytokinesis 2
Created by: asimien907