Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 32.1, Problem 1CC
Summarize the main stages of animal development. What family of control genes plays a major role?
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Summarize the main steps of animal development. What family of control genes plays a major role? Give an example to these genes and explain its role.
Briefly summarize the main steps of animal development. What family of control genes plays a major role? Give an example to these genes and explain its role.
Explain the how developmental genes, and RNA sequences control embryonic development. Provide examples.
Chapter 32 Solutions
Campbell Biology
Ch. 32.1 - Summarize the main stages of animal development....Ch. 32.1 - WHAT IF? What animal characteristics would be...Ch. 32.2 - Put the following milestones in animal evolution...Ch. 32.2 - VISUAL SKILLS Explain what is represented by the...Ch. 32.2 - MAKE CONNECTIONS Evaluate whether the origin of...Ch. 32.3 - Compare three aspects of the early development of...Ch. 32.3 - Prob. 2CCCh. 32.3 - Prob. 3CCCh. 32.4 - Prob. 1CCCh. 32.4 - WHAT IF? Suppose ctenophores are basal metazoans...
Ch. 32.4 - Prob. 3CCCh. 32 - Prob. 32.1CRCh. 32 - What caused ihe Cambrian exploston? Describe...Ch. 32 - Describe how body plans provide useful Information...Ch. 32 - Prob. 32.4CRCh. 32 - Prob. 1TYUCh. 32 - The distinction between sponges and other animal...Ch. 32 - Prob. 3TYUCh. 32 - Prob. 4TYUCh. 32 - EVOLUTION CONNECTION A professor begins a lecture...Ch. 32 - WRITE ABOUT A THEME: INTERACTIONS Animal life...Ch. 32 - SYNTHESIZE YOUR KNOWLEDGE This organism is an...
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- Topic: Developmental Biology Give an analogy on how the concepts of determination and differentiation are seen in personal events in your life.arrow_forwardDescribe the role of master regulators in embryonic developmentarrow_forwardWhat statement best describes the difference between "fate maps" and "specification"? If cells are transplanted from their normal region in an embryo to a different region in a recipient embryo, such cells will alter their fate, but not their specification. Cell fate map describes the allocation of cells to the germ layers, ectoderm, mesoderm, or endoderm, whereas specification describes the exact tissues that each cell will ultimately become. The fate map of an embryo does not change during development -- the fate map of an egg is the same as the fate map of a late blastula -- whereas the specification map of an embryo changes continually as the embryo's development proceeds. The fate map of a cell is determined by labelling that cell and following it during normal development, whereas the specification state of a cell is determined by culturing a cell in an artificial medium and observing what tissues form from it.arrow_forward
- describe direct and indirect development and name some animal groups that have each type of development?arrow_forwardindicate the stage at which segmentation genes, homeotic genes, and egg-polarity genes would have an effect on development.arrow_forwardCarefully distinguish between the terms differentiation and determination. Which phenomenon occurs initially during development?arrow_forward
- Which of the following best describes the concept of cell differentiation during the development of a multicellular organism? A. During development, all of the genes in the embryo's cells are expressed at first, but fewer and fewer are expressed as time proceeds. B. During development, different sets of genes are deleted from different cell types so that at the end of development, each cell has only the genes it needs. C. During development, different cells become specialized to have different phenotypes even though they all originated from the same cell. ..arrow_forwardExplain why knowing how gene expression occurs is important in understanding developmentarrow_forwardWhich of the following mechanisms could negatively impact embryo development in humans? a mutation in a master regulator transcription factor needed for prefrontal cortex cell formation the introduction of a toxin that alters the genetic regulatory cascade for ovary development proper functioning of morphogens a failure of apoptosis to target the cells that formed "webbing" between the fingers and toes A, B, and D Which of the following likely has the most Hox genes? Jellyfish Slugs Dolphins ) Bees Similar gill pouches in embryos of a chick, human, and cat are an example of ) structural homology ) developmental homology ) genetic homology ) the inheritance of acquired charactersarrow_forward
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