Answer: Polychlorinated biphenyls (PCBs) are a group of manmade chemicals. They are oily liquids or solids, clear to yellow in color, with no smell or taste. PCBs are very stable mixtures that are resistant to extreme temperature and pressure. PCBs were used widely in electrical equipment like capacitors and transformers. They also were used in hydraulic fluids, heat transfer fluids, lubricants, and plasticizers. The primary company that made PCBs in the United States was Monsanto Inc., mainly using the name Aroclor. Commercial production of PCBs ended in 1977 because of health effects associated with exposure. In 1979, the U.S. Environmental Protection Agency (USEPA) banned the use of PCBs; however, PCBs are still present in many pre-1979 products.
As a genetic counselor, you note that every generation shows the trait, suggesting that the trait is dominant.
<h3>What is a domain trait?</h3>
A dominant trait is a genetic feature that exhibits the phenotype in a dominant manner for heterozygous individuals.
Dominant traits are well known to mask the recessive alleles in the population for a given phenotypic feature.
In conclusion, as a genetic counselor, you note that every generation shows the trait, suggesting that the trait is dominant.
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Answer:
Rho protein.
Explanation:
Transcription may be defined as the process of formation of RNA molecule from the DNA template. Three important process of transcription are initiation, elongation and termination.
The termination may occur through rho dependent and rho independent mechanism. In rho independent termination, the rho proteins are not required and not necessary for the termination. The uracil stretch is important for rho independent termination.
Thus, the correct answer is option (b).
Homo sapien is a scientific species designation