studyguidepart3 - Ancestral traits Traits that are derived...

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Analogous different Homologous The same Scientific Method A series of directions to test and create a theory Hypothesis A suggestive response for a scientific question Theory A widely accepted IDEA that has been tested by the scientific method and experimented on Falsification Nucleotide Basic units of DNA molecule Composed of a sugar, phosphate and base DNA bases Adenine-thymine Cytosine-guanine Messenger RNA Used because DNA can’t pass through the nuclear membrane Dominant allele Characteristic that prevails (T) Recessive allele Characteristic that is overpowered by the dominant allele (t) Genotype
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Phenotype Founder effect Chromosomes 23 pairs Sickle-cell trait Trait that is both adaptive and adaptive Helps prevent malaria, but a full blown case could cause sickle cell anemia Cladistics/cladogram Look towards finding a common origin
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Unformatted text preview: Ancestral traits Traits that are derived from a common ancestor and are widespread among a group Derived traits Traits that are characteristics to certain groups or individuals within a population Primates 3 natural groups-prosimians, tarsiers, and anthropoids New World Monkeys South and Central America Platarrhines, arboreal, some have tail, walk with palms down Frugavore, sit up straight while eating Forelimbs are not especially long Old Work Monkeys Catarrhines, most widely distributed-Africa, Southern Asia, Northern Japan Have tails, variety of locomotive patterns, some arboreal, mostly quadrupeds palms down Have ischial callosity Prosimians Most like ancestral Laurus and lemurs Dental formula 2:1:3:3 Modern synthesis...
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studyguidepart3 - Ancestral traits Traits that are derived...

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