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Ch. 46 Notes*

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Subject: 
Biology
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Tags: 
Biology
reproduction
Genetics
fertility
reproductive system
Developmental biology
Pollination
Ploidy
Parthenogenesis
Meiosis
sex
Fertilisation
#AP Bio #CampbellBiology

Ch 46 Sexual Zygote ? fertilized egg Gamete- sex cell Egg Sperm Asexual Most animals do sexy only, but some do asex or both Mechanisms of Asex reproduction Invertebrates Fission-separation of a parent organisms into 2 individuals of equal size Sea anemone Budding- new individuals come from outgrowth of existing ones Corals Fragmentation and regeneration Sponges, cnidarians Parthenogenesis-asex where egg develops without being fertilized Bees, wasps, ants Haploid ? no meiosis occurred, no fertilization occurred, becomes adult that makes either egg or sperm. ? mainly male in honeybee and some ant populations Diploid- develop from fertilized eggs, becomes adult- worker ant or bees

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