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Biology vocabulary 9.5
Meiosis.
10
Biology
10th Grade
01/18/2013

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Term
meiosis
Definition
The process by which a cell divides into four gametes.
Term
karyotype
Definition
A display of an organism's chromosomes.
Term
homologous chromosome
Definition
Chromosomes of which there are a matching pair.
Term
sex chromosomes
Definition
A pair of chromosomes which determine the gender of the organism. (XX or XY.)
Term
diploid
Definition
Cells which contain two homologous sets of chromosomes.
Term
gamete
Definition
Sex cells. (Cells possessing a single set of chromosomes.)
Term
haploid
Definition
The term for having a single set of chromosomes. (___ cell.) Sounds a little like 'half' at the start.
Term
fertilization
Definition
When the nuclei of two gametes merge together. What sperm does to ova.
Term
zygote
Definition
A fertilized ovum.
Term
tetrad
Definition
Paired chromosomes consisting of four chromatids.
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