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Embryology

Embryonic Development

Subject: 
Biology
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reproductive system
fertility
Germ cells
Developmental biology
Embryology
Fertilisation
Cortical reaction
Polyspermy
Human fertilization
Cortical granule
Sperm
Zygote

Embryonic Development Every species undergoes embryonic development in a different way. In general, genes code for specific synthesis of proteins that determine what organs and systems will be composed. However, all species differentiate types of cells in different ways, which can include an uneven distribution of cytoplasmic determinants (can activate genes to differentiate between types of cells.) Additionally, the differences in cells are based on their location in the developing embryo. These two tactics lead to cell differentiation where cells become different types as well as morphogenesis or the way an animal takes shape.

Ap Biology Chapter 47 Review

Subject: 
Biology
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Developmental biology
Biology
Zoology
reproduction
Embryology
Embryogenesis
Germ layer
Cleavage
Gastrulation
Archenteron
Embryo
Fertilisation
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Attachment theory
Ethology
Personal life
Technology

Chapter 47: Animal Development Overview ?It is difficult to imagine that each of us began life as a single cell called a zygote ?A human embryo at about 6?8 weeks after conception shows development of distinctive features 1. An organism?s development is controlled by the genome of the zygote as well as by molecules from the mother that are in the cytoplasm of the egg. What are these proteins and RNAs called? ?Development is determined by the zygote?s genome and molecules in the egg called cytoplasmic determinants 2. What is cell differentiation? ?Cell differentiation is the specialization of cells 3. How do cytoplasmic determinants affect cell differentiation? ?Structure and function 4. What is morphogenesis? ?Morphogenesis is the process by which an animal takes shape

Seed Worksheet

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Biology
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Biology
Seeds
Ecology
Plant reproduction
Plant morphology
Embryology
Holt McDougal
Germination
Houghton Mifflin Harcourt
Resource
Embryo
reproduction

? SECTION 22.3 ?SEED DISPERSAL AND GERMINATION Power Notes ? ? Seeds can be spread by go through a period called 1. ? begin to grow in a process called ? 2. 4. 6. ? 3. which is beneficial because ?during which 7. ? 5. Germination 1. Embryo takes up water: 2. Embryonic root: 3. Water activates enzymes: 4. Embryonic shoot: 5. Leaves: Unit 7 Resource Book Power Notes 63 McDougal Littell Biology ? CHAPTER 22 Plant Growth, Reproduction Copyright by McDougal Littell, a division of Houghton Mifflin Company
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