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Animal Reproduction

Animal Reproduction. Types of Reproduction. Asexual. Sexual. Genetic diversity Advantage : ability to change pop. when env . changes Fusion of haploid gametes Egg (Ovum) + Sperm ? Zygote. Clone Advantage : FAST, if env . is stable

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610 views • 45 slides

Chapter 42-43

Animal Reproduction. Chapter 42-43. Sexual vs. Asexual R eproduction. Asexual offspring all have same genes no variation Sexual gametes (sperm & egg) ? fertilization mixing of genes ? variation. Fertilization. Joining of egg & sperm external usually aquatic animals internal

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443 views • 33 slides

Cell Communication

Cell Communication. Chapter 9. Cell Communication. Ligand Receptor Protein Cells select what signals to respond to. Signaling depends on distance. Direct Contact Paracrine Endocrine Synaptic Autocrine. Signal Transduction. The events that occur within the cell on receipt of a signal

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455 views • 21 slides

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'Signal cascades' diaporamas de présentation

Signal cascades - PowerPoint PPT Presentation

Animal Reproduction

Chapter 42-43

Cell Communication