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esson.masteringbology.com/myctitemView?offset = next&assignment; ProblemiDz 1 1 1 383666 #07 Homework (Ch.3) fic Thinking: Is There a Genetic Basis for Adapting to Life at High Altitudes? EPAS1 allele 1% of Tibetans with this allele %oflow Allele 1 87 13 91 Allele 2 ata from YL X. et al Sequensing of 50 Human Exomes Reveals Adaptations to High Abtutde. Science 329 75-78 (2010 This phylogenetic tree shows how scientists believe the Danes, Chinese, and Tibetans are related based on the analysis of many gene ineages split.) Labels can be used once or more than once Reset Danes Chinese was present in the ancestor Allele 2 of Danes, Chinese and Tibetans. Tibetans was sent in th common ancestor of Chinese and Tibetans The frequency of increased rapidly in this lineage Subm Previous Answers Request Answer Incorrect; Try Again: 2 attempts remaining You labeled 2 of 3 targets incorrectly For targot (a). look at the data table again. Which allele is present in all three modern-day populations at B This question wil be shown after you complete previous question(s) é

Explanation / Answer

Allele 1 , Allele 2 Allele 2

all of the species have one common ancestor species which have allele one. is the evolution occurs allele 2 appears.

with the time and evolution allele 2 become more dominant then older or ancestral allele.

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