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Meiosis 9th

Meiosis

QuestionAnswer
meiosis a form of cell dividion that halves the number of chromosomes when forming specialized reprodictive cells, such as gametes or spores
crossing-over occurs when portions of a chromatid on one homologous chromosome is broken and exchanged with the corresponding chromatid portion of other homologous chromosome
independent assortment the random distribution of homologous chromosomes in meiosis
spermatogenesis the process by which sperm are produced in male animals
sperm the four cells change in form and develop a tail to become male gametes
oogenesis the process by which gametes are produced in female gametes
ovum egg or female gamete
asexual reproduction a single parent passes copies of all its genes to each of its offspring
clone an individual produced by asexual reproduction
sexual reproduction two parents each form reproduced cells that have one half the number of chromosomes
life cycle the entire span in the life of an organism from one generation to the next
fertilization the gametes join in a process which results in a dipliod zygots
sporophyte the diploid phase in the life cycle the produces spores
spore a haploid reproductive cell produced by meiosis that is capable of developing into an adult without fusing with another cell
gametophyte the haploid phase that produces gametes by meiosis
Created by: happyfeet627
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