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umka2103 [35]
3 years ago
9

A two-trait occurs when an individual has two dominant alleles but it is not possible to determine if that individual is homozyg

ous dominant or heterozygous, thus that individual is crossed with an individual who is homozygous recessive for both traits.
Biology
1 answer:
Alex17521 [72]3 years ago
4 0

Answer:

This statement refers to Test Cross.

Explanation:

Generally a Test cross involving an individual with a homozygous recessive trait . When a single trait is being studies, a test cross is a cross between an individual with the dominant phenotype but of unknown genotype (either homozygous or heterozygous) with a homozygous recessive individual. If the unknown is heterozygous for a trait, then approximately half of the offspring will display the recessive phenotype. If all the offspring carry dominant phenotype, Then the unknown genotype is homozygous.

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There are 258 g of MgCl2/liter. What is the molarity of the solution?
Zolol [24]

Taking into account the definition of molarity, the molarity of the solution is 2.7098 moles of MgCl₂/liter.

<h3>Definition of molarity</h3>

Molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

molarity= number of moles÷ volume

<h3>Molarity of the solution in this case</h3>

In this case, you know that the molar mass of MgCl₂ is 95.21 g/mole [molar mass is the amount of mass that a substance contains in one mole.]

You can apply the following rule of three: If by definition of molar mass 95.21 grams are contained in 1 mole, 258 grams are contained in how many moles?

amount of moles= (258 grams× 1 mole)÷ 95.21 grams

<u><em>amount of moles= 2.7098 moles</em></u>

Replacing in the definition of molarity:

258 g of MgCl₂/liter= <u><em>2.7098 moles of MgCl₂/liter</em></u>

<em />

Finally, the molarity of the solution is 2.7098 moles of MgCl₂/liter.

Learn more about molarity:

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brainly.com/question/10608366

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3 0
1 year ago
What is the difference between background extinction and mass extinction what is the difference between background extinction an
tekilochka [14]
Background extinction refers to the normal extinction rate. These are species that go extinct simply because not all life can be sustained on Earth and some species simply cannot survive. Mass extinction is a widespread event that wipes out the majority (over 50%) of living plants and animals.
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Lady bird [3.3K]
Am pretty sure C or A but I think C
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The build up of sediment where’s river empties into a slow-moving or body of water is known as a
damaskus [11]

Answer:

a river delta

Explanation:

.........

5 0
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Describe how a renewable resource could become a nonrenewable resource
Brrunno [24]

Answer:

Renewable resources can become nonrenewable resources if they are used faster than they can be replenished. If the resource no longer exists, there is nothing to regenerate or be replenished. For example, if we cut down trees faster than we grow them, trees can become a nonrenewable resource because there are no trees to regenerate.

Explanation:

7 0
2 years ago
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