Chapter 22- Products of Artificial Selection

Chapter 22- Products of Artificial Selection - o Body hair...

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Chapter 22 Products of Artificial Selection Read pg 455-458 Evidence Best Explained by Theory of Evolution 1. Fossil record o Whales first evolved on land 2. Comparative anatomy o Analogous vs homologous structures: Homologous structure: different environmental forces favor changes in structures in related organisms= divergent evolution o Homologous bc they share a common ancestor and they look different because the diverged o Analogous structures= convergent evolution o Similar environmental forces select for similar structures in unrelated organisms Vestigial Structures o Rudimentary form of an organ more fully formed in ancestor. “Evolutionary baggage”
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Unformatted text preview: o Body hair, wisdom teeth, appendix, coccyx, male uterus, male nipples, fifth toe 3. Developmental Biology 4. Biochemical and Genetic Analysis o Common use and similarities of DNA, RNA, amino acids, ribosomes, genetic code, ATP, electron carriers, electron transport systems, etc o Correlation of DNA, proteins, etc with relatedness of species o Chemiosmosis produces ATP o Our DNA sequences are all different but when comparing them to a chimp they are more similar than to a bacterium • Hemoglobin structure similarity between chordates. We are more like a monkey than a mouse, chicken, frog, or lamprey •...
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Chapter 22- Products of Artificial Selection - o Body hair...

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