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n200080 [17]
3 years ago
12

Mendel knew that the variations in the offspring

Biology
1 answer:
larisa [96]3 years ago
7 0

Answer:

controlled the fertilization process.

Explanation:

Mendel took precautions to avoid contamination by pollen through self pollination of the P generation. He controlled the fertilization processes between the plants. He self pollinated the first pureline varieties to form the P generation. He then cross pollinated them to get F1 generation. Every step of his experiment was controlled.

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3 years ago
Which of the following represents the correct order of the phases of the cell cycle?
olga55 [171]
A).


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8 0
3 years ago
The graph above displays the heights of an average population of humans. Use C.E.R. (Claim, Evidence, Reasoning) to answer the f
sladkih [1.3K]

Answer:

<em>The </em><em>graph</em><em> shows the height in inches of determined </em><em>human population</em><em> and the pattern it shows is due to the height variations that exist between individuals, due to different factors, where the</em><em> average height in the population is close to 69 inches</em><em>, and </em><em>most of the population has heights between 67 and 72 inches</em><em>.</em>

Explanation:

The height of individuals is the measurement, from head to toe, which is made standing up and barefoot.

The graph shows the frequency of people who have a specific height, where:

<u>Claim</u>: According to the graph, most people are between 67 and 72 inches tall. Heights below 63 and above 72 inches are less frequent and the average person is about 69 inches tall.

<u>Evidence</u>: The data provided by the graph support the claim that there is variation in height in the human population. When data on anthropometric parameters are to be obtained, a sample is chosen, measured under the same conditions and then taken to a graph showing the results.

<u>Reasoning</u>: variations in human height respond to several factors, mainly genetic and environmental factors.

Inheritance plays an important role in determining an individual's height, although it is a polygenic pattern of inheritance, where multiple genes determine the height an individual will have.

In general, the height between men and women differs but, in addition, the inheritance of this parameter is linked to race. There is no single gene that determines whether a person will be tall or short, nor are there dominant or recessive alleles.

<u>The combination of information from several genes will result in the phenotypic expression of height in an individual and can increases the genetic variability for this trait</u>. It should also be taken into account that genetic disorders can affect the development of normal height.

Environmental factors and habits, especially food and family environment, are determinants of the height a particular individual will have.

6 0
4 years ago
What characteristic do all protists have in common?
arlik [135]

Answer:

D

Explanation:

All other answers are not true.

6 0
3 years ago
Read 2 more answers
Why does the mitochondria make carbon dioxide during cellular respiration
blagie [28]
<span>Because the organelle undergoes process that converts biomolecules into a useful energy resource for cell activities that leaves the formation of carbon dioxide as an excess agent.
Mitochondrion is an important organelle in most living organisms because it is where biochemical processes of living organisms such as respiration takes place. The mitochondrion has a smooth outer membrane but a larger inner membrane. The inner membrane is about 70% protein and is very convoluted because that can even fit inside the outer membrane. Mitochondrion is the carrier of the Kreb's cycle in the matrix and it is responsible for the transfer of electron chain found in the cristae of the inner membrane.

</span><span>In the presence of oxygen, one glucose molecule has the energy to make up to 38 ATP. The ATP production is determined by the following steps, (-2 ATP) glycolysis preparatory phase, (7-9 ATP) glycolysis pay-off phase, (5 ATP) oxidative decarboxylation of pyruvate and (20 ATP) Krebs cycle. One glucose which has 38 ATP hence was the summation of all the process mentioned that took place.  All these process take place under the cellular function of cellular respiration.<span> </span></span>

6 0
3 years ago
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