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Andreas93 [3]
2 years ago
13

A trait, such as height, has high heritability because much of the variation between individuals is the result of genetic variat

ion. however, not all of the variation for height in a population can be attributed to genetic variation alone. why does genetic variation not always determine the differences in a given trait between individuals?
Biology
2 answers:
andreyandreev [35.5K]2 years ago
8 0

The differences in a given trait among the individuals can also be determined due to the changes in the environment that may change the expression of genes.  

The condition is categorized under epigenetics, it refers to the examination of variations in a species resulting due to modification of gene expression rather than the change of the genetic code itself. In other terms, it can be illustrated as an inheritance by mechanisms other than via the DNA sequence of genes.  


Andrej [43]2 years ago
7 0
<span>Human height is a qualitative complex traits that is measured on a continuous scale.</span><span>
Genetic variation can not always determine the differences in a given trait between individuals because the </span>phenotype cannot always<span> be </span>determined without knowing the environment. Both conditions are required and must be presented in order to see a phenotype.
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Ancestors of Blue whale include: Gray?

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The nutritional energy content (in Calories) present in 86g of broccoli with 2.6g of protein, 6g of carbohydrates, and 0.3g of f
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Answer:

40 Cal

Explanation:

Data provided in the question:

Protein present in the broccoli = 2.6 g

Carbohydrates present in the broccoli = 6 g

Fat present in the broccoli = 0.3 g

Now,

We know,

Energy provided by protein and carbohydrates = 4 Cal / g

and,

Energy provided by Fats = 9 Cal / g

Therefore,

Total nutritional energy content = ∑(Amount × Energy provided)

= ( 2.6  × 4 ) + (6 × 4) + (0.3 × 9)

= 10.4 + 24 + 2.7

= 37.1 Cal    

rounding off the answer to nearest 5 ≈ 40 Cal

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Diana and Kinsey are put in charge of choosing a mascot for their basketball team. There are fifteen players on the team, but Di
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The answer is Inadequate. Not all 15 players were surveyed.
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Alleles A and a are located on a pair of metacentric chromosomes. Alleles B and b are located on a pair of acrocentric chromosom
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Answer:

See the second attached image showing the gametes from the parent with the location of the centromere indicating the type of chromosome

Explanation:

According to the position of the centromere, chromosomes can be of 4 types namely:

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A metacentric chromosome is a chromosome that has no short or long arm. The arms are equal in length with the centromere joining the two sister chromatids located at the center.

Acrocentric chromosomes have unequal arm lengths with the centromere skewed towards one end of the chromosome.

Telocentric chromosomes have their centromeres at one end of the chromosome.

Sub-metacentric chromosomes have unequal arm lengths but the centromere is not as skewed to one end of the chromosome length as found in acrocentric chromosome.

The only possible gamete from <em>aa bb</em> parent is <em>ab</em>. Recall that the allele <em>a </em>is located on a metacentric chromosome while allele <em>b </em>is located on acrocentric chromosome.

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Rob Dunn noticed that the prokaryotes his team discovered in the belly buttons of volunteers were able to quickly take over an a
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Answer:

DNA replication is faster and microscopic in size, smaller than eukaryotic cell.

Explanation:

The three domains of life are archaea, bacteria and eukarya. The two main biological division are prokaryotes and eukaryotes. The organisms that lacks the complete nucleus are included in prokaryotes.

The DNA replication is quite fast in prokaryotes as compared to eukaryotes because of small genome size, transcription is coupled with the translation and no post transcription modification is present in prokaryotes. The size of prokaryotes is quite small as compared with eukaryotes and shows the fast rate of diffusion.

Thus, the answer is option (a) and (c).

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