Flashcard Set Preview
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Production of gametes for sexual
reproduction
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Meiosis
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Simple cell division; a parent cell divides
into two identical daughter cells; division is...
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Mitosis
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Sex cells; males- sperm. Females - ovum.
Has 23 chromosomes. Haploid.
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Gametes
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Body Cells; has 46 chromosomes (diploids)
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Somatic Cells
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Male sex cells; gametes; becomes fully motile in the vagina, smaller than female gametes
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Sperm
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female sex cells (gametes) mature secondary oocytes
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Ovum
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Immature egg of all animals and some protistans.
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Oocyte
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Production of offspring by meiosis, gamete formation and fertilization. Offspring inherits...
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Sexual reproduction
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Reproduction by which the offspring arises from a single parent and does not involve gametes. ...
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Asexual reproduction
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Organ that produces sex cells. Female - ovaries. Male - testes.
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Gonads
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Implantation of a fertilized egg into the uterus.
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Conception
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The fusion of a sperm nucleus with the nucleus of an egg, egg becomes a zygote with a diploid...
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Fertilization
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The ovipavious; egg laying; occurs in non-shelled (aquatic ex: fish) and shelled (ex: turtle)
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External Development
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encloses the fluid medium for development
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Amnion: Extramembroynic membranes
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functions in nitrogenous waste
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Allantois
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contains nutrient cells
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Yolk Sac
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Aids in development of placenta and gas exchange
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Chorion
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