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Kay [80]
3 years ago
8

Design an experiment to determine whether lactase persistence in the different global hot spots was caused by one or several mut

ations
Biology
1 answer:
valkas [14]3 years ago
6 0

Answer:

Collect DNA from individuals who are lactase persistent and are from the global hot spot populations. Then look for genetic differences correlated with lactase persistence; the first place to look would be in and around the lactase gene. Compare the genetic differences to see if they are the same or different.

Explanation:

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HELP ME I WILL GIVE BRAINIST AWANERR AND On a separate sheet of paper, choose three animals, one that lives in water, one that l
padilas [110]

Answer and Explanation:

Land - Lion

Water - Sealion

Flies - Bees

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The Sealion's thick, oily fur and a layer of blubber allow them to keep a high temperature in cold waters.  

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Hope this Helps! Have a GREAT day!

4 0
3 years ago
You design an experiment to test the hypothesis that consuming caffeine increases a person's chances of developing a headache. P
lora16 [44]

Answer:

d) A group that does not drink soda (caffeinated or decaffeinated) or other caffeinated beverages for 10 days

Explanation:

In an experiment, two groups exist as follows: experimental group and control group. Experimental group is the group that receives the experimental treatment (independent variable) while the CONTROL GROUP is the group that does not receive the experimental treatment.

In this experiment, the experimental treatment is the CAFFEINATED SODA (contains caffeine). Hence, the appropriate control group for this experiment will be the group that does not drink any soda (whether caffeinated or decaffeinated) or other caffeinated beverages for 10 days.

4 0
2 years ago
Estimate how long in ms it takes a signal to get from your brain to your hand.
Leona [35]
Hey there,

<span> (1 m)/(25 m/s) = 0.04 s
</span>
Your correct answer would be 40ms.

~Jurgen
4 0
3 years ago
Which organelle is most prominent when looking at cheek cells under the microscope?
SpyIntel [72]
<span>Nucleus. Would be your answer</span>
8 0
3 years ago
How would you describe the relationship between the hornworm caterpillar and tomato plant? Do they have a symbiotic relationship
Verizon [17]

Answer:

Their relationship would be a parasitic relationship.

Explanation:

The hornworm caterpillar are gaining benefits from the tomato plant's nutrients, all while the tomato plant is getting destroyed.

5 0
3 years ago
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