Scientists use dna to track the migration of humans across the planet. after a group migrates away from their ancestral homeland, any mutations that occur are not mixed with those left in the ancestral population. therefore, dna samples taken from would have the most unique mutations, representing the most recent population to migrate to a new area.
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Biology, 21.06.2019 20:00
The deserts of the sahara and australia are associated with
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Biology, 22.06.2019 02:30
Plz ! a scientist wants to produce a cow that makes a particular human protein in itβs milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.
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Biology, 22.06.2019 03:00
1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit
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Biology, 22.06.2019 10:20
The function of the excretory system is to control homeostasis and
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Scientists use dna to track the migration of humans across the planet. after a group migrates away f...
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