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Biology 9th Edition by Eldra Solomon,Linda Berg ,Diana Martin
النسخة 9الرقم المعياري الدولي: 978-0538741255Biology 9th Edition by Eldra Solomon,Linda Berg ,Diana Martin
النسخة 9الرقم المعياري الدولي: 978-0538741255 تمرين 7
ANALYZING DATA. The four chromosomes depicted below are Y chromosomes from men in different parts of the world. The purple bands represent specific genes that are identical in all four men. The red bands represent genetic mutations (M)that appeared at different times; M168 appeared about 50,000 years ago, M9 about 40,000 years ago, and M3 about 10,000 years ago. Based on what you have learned in this chapter, identify the geographic source of men carrying each of these chromosomes: African, Eurasian, Amerindian, and first migrants out of Africa. (You may wish to refer back to Figure.)
FIGURE The path of human migrations, based on Y chromosome data
FIGURE The path of human migrations, based on Y chromosome data
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If you look at Figure 22-14, we can dete...
Biology 9th Edition by Eldra Solomon,Linda Berg ,Diana Martin
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