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Chapter 11: Sections 4 and 5 meiosis
Meiosis
8
Biology
9th Grade
05/06/2012

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Term
Meiosis
Definition
Production of haploid nuclei from diploid nuclei.
Term
Haploid
Definition
Cell with only 1 set of chromosomes.
Term
Diploid
Definition
Cell with pairs of chromosomes. (2n=46) (Somatic body cells)
Term
Zygote
Definition
Fertilized egg, sperm + egg = 2n
Term
Fertilization
Definition
Union of sperm and egg, restores the diploid number.
Term
Spermatogenesis
Definition
Meiosis in males.
Term
Oogenesis
Definition
Meiosis in females.
Term
Importance of meiosis
Definition
Production of sperm and egg in animals, pollen and egg in plants, spores in fungi, algae and some plants.
Assures genetic diversity through crossing over, segregation of alleles, independent assortment, fertilization
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