Answer:
The child is suffering from measles which is caused by the measles virus. It is also known as rubeola.
Explanation:
The infection is measles because the child is suffering from sore throat, headache, high fever and a cough. White spots with red margin also develop on the mucous membrane of the mouth after a couple of days. These symptoms are seen in measles infections.
The white spots which develop inside the mouth are known as koplik’s spots.
The measles is an airborne disease and spreads through the cough and sneezes of a person who is infected with it. Measles is very contagious . The measles virus spreads in the body for 10-14 days after infection, then mild fever, cough and runny nose lasts for 2-3 days. In the next few days , the rash spreads over the body and there is high fever.
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Answer:
Having a repetitive enzyme system would allow more than one enzyme to catalyze a particular reaction. If one of the types of enzyme is not able to perform its function due to temperature or any other factor, then another kind of enzyme would be able to catalyze the reaction. Hence, having repetitive enzyme systems is very effective in carrying out the metabolic functions of the body even when conditions are not favourable.
It occurs at the metaphase of the cell division cycle.
Answer:
0 : 1 ( black eyed : orange eyed )
Explanation:
When black eyed-Mendelian is crossed with orange-eyed Mendelian, the entire progeny has black eyes. This means that the allele for Black color is dominant to the color for orange color and it masks its effect completely in the next progeny.
BB X bb = Bb ( All black )
So orange Mendelian is a recessive trait and will have genotype bb. When two orange eyed Mendelians are crossed:
bb X bb = bb ( All orange since there is no B allele )
Hence, the phenotypic ratio will be = 0 : 1 ( black eyed : orange eyed )
