Answer:
Option A
Explanation:
They belong to the same group of the periodic table. This is because their atoms have the same number of electrons in the highest occupied energy level.
The crust is the outermost “skin” of Earth and variable thick- nesses; it is thickest under mountain ranges (70 km) and thinnest under the mid- ocean ridges (3 km).
Answer:
In the United States there are existing state laws to protect people from genetic discrimination in areas such as insurance companies and workplaces.
Explanation:
Genetic discrimination is based on the possibility that an individual manifests a disability or inherited disease due to a genetic alteration.
In many cases, both workplaces and insurance companies require genetic testing before granting a job or an insurance policy.
A federal law - Genetic Information Nondiscrimination Act or GINA - protects people against this requirement of their future employers or any insurance company and guarantees, with certain exceptions, the possibility of obtaining a job or medical insurance.
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The correct option is C.
The DNA molecule is made up of four different types of nucleotide bases, these are: thymine, cytosine, guanine and adenine. The arrangement of these nucleotide bases in DNA affect the genetic traits that are eventually formed. The differences that are observed in different individuals is as a result of the different ways in which the nucleotide bases are arranged in DNA molecules.