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PCHSBiology10chap7

Chapter 7 words

QuestionAnswer
Meiosis a process in cell division during which the number of chromosomes decreases to half the original number by 2 divisions of the nuclus which results in the production
Crossing Over the exchange of dengetic material between homolegous chromosomes during meiosis; can result in genetic recombination
Interdependent Assortment the random distribution of the pairs of genes on different chromosomes to the gametes
spermatogenesis the process by which male gametes form
oogenesis the production growth and maturation of an egg or ovum
ovum a mature egg cell
asexual reproduction reproduction that does not involve the union of gametes and in which a single parent produces offspring that a genetically identical to the parent
clone an organism that is produced by asexual reproduction and that is gentically identical to its parent; to make a genetic duplicate
sexual reproduction reproduction in which gametes from two parents unite
life cycle all the events in the growth and development of an organism until the organism reaches sexual maturity
fertilization the union of a male and female gamete to form a zygote
sporophyte in plants and algae that have alteration of generations, the diploid individual or generation that produces haploid spores
spore a reproductive cell or multi-cellular structure that is resistant to enviromental conditions and that can develop into an adult without fussion with another cell
Gametopyte in alteration of generations the phase in which gametes are formed a haploid individual that produces a gamete
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