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romanna [79]
3 years ago
15

How do we know that height in humans is a polygenic trait?

Biology
1 answer:
Elena-2011 [213]3 years ago
4 0
We know that height in humans is a polygenic trait because it has a lot of variation. The height gene is controlled by at minimum three genes with six different alleles. If all of these alleles are dominant for the tall gene you will be tall if you are dominant for the short gene you will be short if there is no clear dominance between the two genes you will fall somewhere  in the middle. 
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Describe how each of these 4 processes can affect salinity. Are they increasing or decreasing the salinity?
Charra [1.4K]

Iceberg: The formation of icebergs increases salinity because it is taking liquid water out of the ocean without taking the salt.

Sea Ice: Same as icebergs, this increases salinity because it removes liquid water.

Runoff: This decreases salinity because it is introducing fresh water into the ocean, reducing the salt to water ratio.

Evaporation: This would increase salinity because it is removing liquid water from the ocean, increasing the salt to water ratio.

Hope this helps!

4 0
3 years ago
How are mean and median alike?how are they different?
Vlada [557]

Answer:

Mean is the average you'll get when you add all your numbers then divide by the number of numbers you have. On the opposite side, median is the middle number within your list of numbers. If there isn't a middle number, take the two middle numbers and add them. Now, for how they are alike, I'm not so sure :'), but my closest guess would be they are fairly close together.

Sorry it's so long, hope I helped you :')

Explanation:

7 0
3 years ago
What is the equation for -34=-6(5c-7)​
Sholpan [36]

exact form : c= 38/15

decimal form : c= 2.53333333333

mixed number form: c= 2 8/15

mark brainliest   :)

4 0
3 years ago
Circulating plasma antibodies recognize a what as self and thus do not initiate an immune response
rosijanka [135]

The right answer is a surface glycoprotein.

The antigens of the non-self correspond to any substance foreign to the organism, identified as such by the immune system of our organism which produces an energetic defense. Antigens are usually proteins (more specifically glycoproteins) contained in cells or foreign bodies (red blood cells transfused, organs transplanted, bacteria, viruses), or present in the environment (pollen, mite droppings, cat hair , etc.).

Our body has its own antigens that allow it to have a "specific identity card" and will be recognized as foreign by other organizations. They are called "self antigens".

4 0
2 years ago
four plants sitting in the window are beginning to lose their leaves, im thinking that if i move them to a sunnier window, they
noname [10]

Answer:

Hypothesis

Explanation:

Since you are thinking it/guessing it with the knowledge you already have I think it’s hypothesis.

This is the definition of hypothesis if it helps: a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.

7 0
3 years ago
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