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saveliy_v [14]
2 years ago
9

Mendel bred an unknown plant displaying a dominant phenotype with an individual showing the recessive phenotype; then, he analyz

ed the offspring to determine the unknown genotype. This experiment is called a(n)
Biology
1 answer:
kodGreya [7K]2 years ago
5 0

What Mendel did according to the illustration would be called test-crossing.

<h3>Test-crossing</h3>

In genetics, test crossing is a procedure through which the zygosity of an individual can be determined - whether it is homzygous or heterozygous.

Test crossing requires that an organism who displays a dominant trait but whose zygosity is unknown is crossed with another organism of the same species but who displays the recessive version of the same trait.

By so doing and using the knowledge of probability, the resulting offspring from the cross will be used to determine the zygosity level of the parent.

More on test crossing can be found here: brainly.com/question/16805498

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A biochemist isolates and purifies various molecules needed for DNA replication. When she adds these molecules to DNA, replicati
olga55 [171]

Answer:

DNA ligase

Explanation:

<em>The biochemist must have left out DNA ligase enzyme.</em>

<u>The DNA ligase enzyme is able to catalyze the formation of phosphodiester bonds and as such, capable of joining strands of DNA together to form a single strand.</u>

The numerous DNA segments of a few nucleotides long observed by the biochemist must have been the replicated product of the lagging DNA strand. The lagging strand is replicated discontinuously in short strands because the DNA polymerase enzyme can only elongate primers in 5' to 3' direction. The short segments are known as Okazaki segments and are usually joined together to form a whole strand by the DNA ligase enzyme.

Hence, the missing component is the DNA ligase.

3 0
3 years ago
What is the volume of 0.25 mol of ammonia gas at 1.00 atm and 273 K? (R= 0.0821 Latm/molK)What is the volume of 0.25 mol of ammo
ICE Princess25 [194]

Answer:

5.6L

Explanation:

Given parameters:

number of moles  = 0.25mol

pressure on gas  = 1atm

temperature  = 273K

Gas constant R = 0.0821Latm/molK

Unknown:

Volume of gas  = ?

Solution:

Using the ideal gas equation, we can solve this problem. The equation is a combination of the three gas laws: Boyle's law, Charles's law and Avogadro's law.

It is mathematically expressed as;

             PV = nRT

where P is the pressure

           V is the volume

          R is the gas constant

          T is the temperature

          n is the number of moles

All the parameters are in the appropriate units and we simply solve for the volume of the gas;

                1 x V = 0.25 x 0.0821 x 273

                      V  = 5.6L

4 0
3 years ago
What is a core in a volcano
kompoz [17]

Answer:

There is an outer core and an inner core. The outer core is extremely hot and is made mostly of molten (or melted) iron, which is called magma. It is about 1300 miles thick

6 0
3 years ago
What is gout. Is a particular patient population affected? Is there a common cause to the disorder? Do you know anyone with this
s344n2d4d5 [400]
Gout is a complex form of arthritis which is caused by a build up of uric acid. The particular patient population that is always affect is those who have high quantity of uric acid in their blood. The common cause of this medical condition is excess amount of uric acid that is present in the blood. The condition is characterized by severe pain,inflammation, redness and tenderness of joints. 
6 0
3 years ago
Which of the following biotechnologies is defined as the intentional reproduction of individuals in a population that have a par
Scilla [17]

Answer:

cloning I think mate

Explanation:

thanks

6 0
3 years ago
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