Turner syndrome only one sex chromosome trisomy

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Unformatted text preview: quence o Directional Selection ▪ Ex. Tooth size in Pelycodus, and Eocene primate from N. America ▪ Ex. Western Corn rootworm o Genetic Drift ▪ Migration ▪ New Mixed Population CLASS 10 GENETICS: COMPARING VARIATION o Assessing Genetic Diversity ▪ Interspecific (between species) ▪ Intraspecific (within a species) o Genetic Similarity ▪ Human Daffodil ~35% ▪ Human Banana ~50% ▪ Human chimp 98% ● Similarities in proteins, DNA hybridization, DNA sequences o ● ● ● all regions are not equal o coding vs. non- coding (codes for protein) o o differential mutation rates (mtDNA) allele frequencies o o o o ● ● ● Dendrogram^ the longer the branch, the more genetically different the two are Cladogram: how close the relationship is between groups Phylogeny: how close the relationship is in time o Gorillas o Polytypic- multiple within one species African Ape Diversity: o mtDNA diversity within bonobos is intermediate between that of humans and chimpanzees o mtDNA diversity within bonobos is comparable to that found in chimps, which is genetically a bit more than is found in humans. Conclusions for today: o Genetic Diversity can be assessed several ways (directly, indirectly, or by proxy) o Compared to our closest living relatives, the great apes, the genetic diversity found within humans is comparable to that of their subspecies ● ● o BUT WAIT A MINUTE o Richard C. Lewontin CLASS 11 CLASS 12- SKIN COLOR: A TALE OF ADAPTIVE COMPROMISE o Humans are visual...
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This document was uploaded on 03/11/2014 for the course IB 35AC at University of California, Berkeley.

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