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shtirl [24]
3 years ago
12

Which is one quality of the entire open-ocean zone?

Biology
1 answer:
Anni [7]3 years ago
4 0

Answer:

few nutrients and high pressure

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The fetal shortcut from the right atrium to the left atrium is the
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The answer is called the foramen ovale. Hope this helps.
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3 years ago
What are three types of waves that can transfer energy without going through a medium 
stealth61 [152]
Tranverse
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<span>and torsional waves

those are the examples to my knowledge.</span>
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3 years ago
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Why is the best definition of directional selection
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Answer: Directional selection occurs when individuals with traits on one side of the mean in their population survive better or reproduce more than those on the other. ... Directional selection does the “heavy lifting” of evolution by tending to move the trait mean toward the optimum for the environment.

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3 years ago
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Suppose that in unicorns, two autosomal loci interact to determine the type of tail. One locus controls whether a tail is presen
Nina [5.8K]

Explanation:

As you can see in the picture below, this is a dihybrid cross with a twist.

We can accomplish that mutually parentages are heterozygotes for both characters because the genotypes are  

9 unicorns with curly tails (shown in green)

3 with straight tails (shown in red)

3  curly tales trait carriers with no tail (shown in dark blue)

1  straight tail trait carriers with no tail ( shown in light blue)

If this was an ordinary case of the dihybrid cross, we would get a 9:3:3:1 phenotype ratio.

However, since the first trait, the presence of the tail, is affecting the other trait, the trait texture, the ratio is altered.

\frac{1}{4} of the offspring (genotypes tt C_   and tt SS) has no tail, therefore we cannot observe the texture of the tail (some of the tailless individuals have Curly alleles -blue squares marked with green, some of them have Straight alleles -blue square marked with red ).

Therefore, the altered ratio is  \frac{1}{2} curly tails,\frac{1}{4} straight tales, \frac{1}{4} tailless

6 0
3 years ago
Which number best fits the phase where DNA replication occurs?
vredina [299]

Answer:

deoxyribonucleic acid

Explanation:

DNA stand for that

4 0
3 years ago
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