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scZoUnD [109]
3 years ago
9

Some traits do not obey Mendel's law. For example, people with red hair tend to also have pale skin. Why might this be the case?

Biology
1 answer:
Misha Larkins [42]3 years ago
8 0

Answer: Polygenic inheritance

Explanation:

Polygenic inheritance is a phenomenon that explains how a character like skin color show a range of more or less continuous variation due to many genes controlling it. And this is unlike Mendel traits that are controlled by single genes.

So, skin color in an individual is expressed as red hair and pale skin.

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Plant cells _______.
DerKrebs [107]

Answer:. have chloroplasts and a cell wall

Explanation:All living organisms are made up of cells.some organism are made up of one cell (Unicellular) and other organism are made up of many cells(multicellular).

Cells are made up of organelles and the organelles present in a cell differ in animals cells and plant cells.

A feature that animals cells have which plant cell do not have is the presence of centrioles.

Features that plant cell have which animals cells do not have are the presence of chloroplast ,vacuole and cell walls.

Animals do not produce their food but plants do.Green Plants produce their food through chloroplast,which contains chlorophyll.

Plants has cells walls which is rigid and made up of cellulose,lignin and pectin.this rigid structure of the cell wall contributes to the rigidity of plants stems and roots.

Option A is incorrect because plant and animal cells have mitochondria.

Option B is incorrect because plants cells have both plasma membrane and cell walls.the cell wall surrounds the plasma membrane.

Option C is incorrect because plants contains Golgi apparatus and vacuole

7 0
3 years ago
What do prokaryotic and eukaryotic organisms not have in common?
Norma-Jean [14]

Answer:

They don't have DNA common. In prokaryotic cells there is a single piece of DNA whereas in eukaryotic there are multiple chromosomes.

7 0
1 year ago
Read 2 more answers
2 Why does Sean Brady feel optimistic about the discovery of this new antibiotic?
Julli [10]

Answer:

D. <em>Because</em><em> </em><em>it</em><em> </em><em>suggests</em><em> </em><em>that</em><em> </em><em>more</em><em> </em><em>antibiotics</em><em> </em><em>are</em><em> </em><em>waiting</em><em> </em><em>to</em><em> </em><em>be</em><em> </em><em>discovered</em>

8 0
2 years ago
A. Cellular Respiration – what type of reaction? ….and how much energy?
Elina [12.6K]

Answer

:a. Cellular Respiration – what type of reaction?  EXERGONIC .and how much energy  34 ATPs;Net gain of 32.

b. Why doesn’t sugar just explode on our countertops- sugar is a high energy-rich compound. Therefore high energy is needed to breakdown the bond-energy  in it for phosphorylation to take place in glycolysis  

c.<u> Photosynthesis – what type of reaction-</u>ENDOGONIC  ….how much energy 18 ATPs used up and 12NADPHs  

d.Where does the activation energy come from for photosynthesis SUNLIGHT

e. <u>Day to day, we use</u> ATPS <u> it is our energy coinage, we c</u>an STORE it and then cash it in.  

f. What is the delta G value for breaking ATP down into ADP=−30.5 kJ/mol

Explanation:

5 0
3 years ago
Which of the following facts supports the argument that a pregnant cow should be fed more in its last trimester?
Radda [10]

Answer:

Three-Quarters of all growth occurs during the third trimester.

Explanation:

D is the only option that has anything to do with the last trimester which is what the question was asking about. Furthermore, because so much growth is occurring during this time the cow will need more food to support this growth. So, D is the best option.

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3 years ago
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