Answer:
Dominant genes mask recessive genes.
Explanation:
Alleles are different variations of a gene. Every person has two alleles - one from each of their parents. Depending on whether it is expressed, an allele can be dominant or recessive.
A dominant allele is the one that is expressed even if the individual has one dominant and one recessive allele. This means that dominant alleles mask recessive alleles.
An example of a dominant allele is the one for brown eyes. This means that you need only one allele of this type to have brown eyes, which is why brown eyes are the most common.
Answer: All the given symptoms describes Pertussis.
Explanation:
Pertussis can also be defined as whooping cough or 100 day cough. It is respiratory disease which is highly contagious.
it is caused by the bacteria Bordetella pertussis. It is also known to be uncontrollable as this condition does not allows the person to breathe properly.
If recognized at early stage then antimicrobial like erythromycin can be used to treat it. The symptoms of this disease lasts for a long time and is not cured easily. Its initial stage includes cold, cough and running nose, same as common cold.
From the bottom trophic level to the top trophic level, the number of organisms decreases. Because there are fewer organisms present in each trophic level, there is typically a smaller amount of biomass in each level as well. Each trophic level in a food chain or food web can be represented in the ecological pyramid.
Fatty acids are the building blocks of fat in the body and food. <span>They are organic acids, carbon chains with at least one</span> carboxyl group (COOH).
Fatty acids are essential in order the human body to function normally. <span>These fatty acids are called Essential Fatty Acids and are involved in the process of building healthy cells, maintaining brain and nerve function.</span>
