All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host. They can only reproduce by attaching themselves to cells. Unlike bacteria, most viruses do cause disease, and they're quite specific about the cells they attack.
In A and B we see the number of phenotypes that can be found, in a case of polygenic inheritance, depends on the number of allele pairs involved
<h3>Genetic distance</h3>
The knowledge of the genetic distance between genotypes of a population of interest is important for a breeding program, as it allows the organization of germplasm and a more efficient sampling of genotypes.
<h3>Gaussian</h3>
The normal distribution is a very useful model in statistics, and it would not come as a surprise as the sum of independent effects (or not very correlated effects) should, if there were many of them, normally distribute (always subject to certain assumptions).
With this information we can conclude that in graph <u>A</u> we see a higher frequency of medium-sized individuals, showing zygosity, and in <u>B</u>, <u>heterozygosity</u>.
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The hypothesis that the scientist could test in his investigation is as follows: IF plants are given more than 2.0mg of magnesium, THEN their growth will be negatively affected.
<h3>What is an hypothesis?</h3>
Hypothesis is a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation and/or experimentation.
An hypothesis is commonly referred to as an educated guess because it tends to provide a temporary explanation for a phenomenon.
According to this question, a scientist investigated whether giving plants different quantities of magnesium affected their growth. He measured growth by counting the number of new leaves produced.
The hypothesis of the scientist regarding the above experiment could be as follows: IF plants are given more than 2.0mg of magnesium, THEN their growth will be negatively affected.
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Coal Mining is considered the most dangerous job in the United States. Mining also possibly releases harmful chemicals in the environment.
The prairies are ecosystems where the grasses, herbs, and shrubs are the dominant vegetation type. It is one of the most intensive crop producing areas with highly valued productive soils. The diet of the people who lived there would be based on corn wheat, rice, soybeans, bean, peas, etc.
On the other hand, people who live on rocky seacost will most likely consume seafood such as mussels and barnacles.
