Lecture_Study_guide_1

Lecture_Study_guide_1 - ZOL 320 2011 Lecture Study Guide 1...

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ZOL 320 2011 Lecture Study Guide 1 Readings: Chapter 1 The Ideas of Development Define, describe or illustrate the following terms: Introductory Ideas Developmental biology Embryology Evo/devo Life cycle Generation time Ontogeny Phylogeny sexual reproduction gamete asexual reproduction August Weismann germ line cells somatic cells (soma) Meiosis chromosome reassortment genetic recombination paragenetic information parthenogenesis Cambrian explosion Growth Differentiation Morphogenesis Allometric growth Pattern formation Preformation Epigenesis Recapitulation biogenetic law Ernst Haeckel K.E. von Baer Teratology phylotypic stage: first stage of development Thought questions: 1. What is the relationship between ontogeny and phylogeny? Ontogeny is development during the life cycle (gamete to adult), phylogeny is development of a species throughout evolutionary history. 2. How is genetic variation generated in meiosis? Mutations, segregation of alleles, chromosome re-assortment, genetic crossing over between
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Lecture_Study_guide_1 - ZOL 320 2011 Lecture Study Guide 1...

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