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scoray [572]
3 years ago
9

Some traits such as earlobe attachment, blood type, and the presence or absence of dimples, have limited variation throughout hu

man population because they are controlled by a single cell other traits such as skin color and han height are widely variable throughout the human population because
Biology
2 answers:
Alexus [3.1K]3 years ago
6 0
Traits such as skin color and height are variable throughout the human population because these traits are controlled by more than one cell. The cells don't perform at the same rate and don't produce the same biomolecules. Therefore, the maximum height of a person is not achieved which results to variations.
WARRIOR [948]3 years ago
5 0

Answer:

They are controlled by more than one gene.

Explanation:

Did the study island lesson. Also, they are widely variable because of the genes together, not one, but multiple.

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marine mammals, which are air breathers, can swim for hours at the surface of the water with minimal negative affect. If they di
Nikolay [14]
The difference at a deeper depth would be water pressure crushing down on them
4 0
3 years ago
What is a scientific hypothesis? In what two ways can a hypothesis be tested?
GalinKa [24]
A scientific hypothesis is an educated guess that is made about an observation based on the prior knowledge of the scientist. Hypothesis are always testable.
An hypothesis can be tested through experimentation and it can also be tested through deductive methods.
7 0
3 years ago
Read 2 more answers
Gomez found the masses of three rocks for science project .the first rock had a mess of 19.28 grams, the second rock had a mass
ziro4ka [17]
The combined mass of rock 1 and 2 = 19.28 + 25.3
= 44.58

Difference between rock 3 and combined rocks 
= 46.3 - 44.58
= 1.72 grams

therefore, the third rock was 1.72 grams greater than the combined mass of the other two rocks. 
3 0
3 years ago
Which factors affect soil quality?
lesya692 [45]

Answer:

All of the above

Explanation:

When we talk about soil quality we talk about soil components.  The chemical composition is an active part of the soil components because it has Nitrogen, Ca+, Oxygen and other molecules that affects the interaction among the soil and its environment. The living organisms interacts with the molecules in the soil changing constantly their concentrations that modify the pH and the soil quality. All of these changes accumulation tell us how the soil has changed through the time, also can give us information to predict how soil will change, this is known as history of the soil.

To summarize the chemical composition affects directly the soil quality, the history of the soil are all the changes that it has suffer in its composition through time so it define the actual soil quality and the living organisms interact with the chemical composition changing it constantly and giving new qualities to the soil.

8 0
3 years ago
In a nonreciprocal interchomosomal translocation, a segment of a chromosome is 1. transferred to a different chromosome without
Aloiza [94]

Answer:

Transferred to a different chromosome without a reciprocal exchange of genetic material

Explanation:

Translocation is one of the structural abnormalities of chromosomes. During translocation, a segment from the chromosome breaks off and attaches to the non-homologous chromosome. Translocation can be reciprocal or nonreciprocal.

In reciprocal translocation, the exchange of chromosomal segments occurs between two non-homologous chromosomes. On the other hand, the nonreciprocal translocation, one chromosome loses its segment to a non-homologous chromosome but does not get the same from the recipient chromosome.

8 0
3 years ago
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