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Gametophyte

AP Biology Chapter 13 notes Campbell/Reece

Subject: 
Biology
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Biology
reproduction
Cytogenetics
Plant reproduction
Classical genetics
Developmental biology
Meiosis
Ploidy
Biological life cycle
Gametophyte
Alternation of generations
sex
health

Chapter 13 Meiosis and Sexual Life Cycles Variations on a Theme Heredity The transmission of traits from one generation to the next Genetics The scientific study of heredity and hereditary variation 13.1 Offspring acquire genes from parents by inheriting chromosomes A. Inheritance of Genes Genes Coded information in the form of hereditary units These genes are the reason we look like our parents in some ways. Functions of genes: program cells to synthesize specific enzymes and other proteins All these functions lead to the inherited traits that you can often see DNA The way the genes are programmed, the language. Almost all DNA is in chromosomes in the nucleus (except small amt in mito/chloro) Gametes These are the reproductive cells (i.e. sperm and eggs)

Campbell ch 29

Subject: 
Biology
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0
No votes yet
Tags: 
Biology
Botany
Plant reproduction
plants
Plant morphology
reproduction
Plant Anatomy
Bryophyte
Alternation of generations
Embryophyte
Sporophyte
Gametophyte
Environment

Plant Diversity I: How Plants Colonized Land Chapter 29 Overview: The Greening of Earth For more than the first 3 billion years of Earth?s history, the terrestrial surface was lifeless Cyanobacteria likely existed on land 1.2 billion years ago Around 500 million years ago, small plants, fungi, and animals emerged on land ? 2011 Pearson Education, Inc. Since colonizing land, plants have diversified into roughly 290,000 living species Land plants are defined as having terrestrial ancestors, even though some are now aquatic Land plants do not include photosynthetic protists (algae) Plants supply oxygen and are the ultimate source of most food eaten by land animals ? 2011 Pearson Education, Inc. Figure 29.1 1 ?m Concept 29.1: Land plants evolved from green algae
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