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BIOL 1000 (89)
Chapter 9

BIOL 1000 Chapter 9: Topic 55
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Department
Biological Sciences
Course
BIOL 1000
Professor
Kevin G.Scott
Semester
Fall

Description
o982 1.life cycle = sequence of stages leading from adults of one generation to adults of the next 2.meiosis converts diploid (2n) nuclei to haploid (n) nuclei 1. diploid cells = two sets of homologous chromosomes, one from each parent (somatic cells) 1. haploid cells = one set of chromosomes (sex cells) 2. meiosis occurs in sex organs (ovaries, testes) —> producing haploid gametes i.e) eggs and sperm 1. fertilization = union of sperm and egg 2. zygote = fertilized egg, has diploid chromosome number, one set from each parent 8.14 Meiosis reduces the chromosome number from diploid to haploid 1.meiosis is a type of cell divi
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