Sally is a carrier. If a person carries the genes, but doesn't have symptoms, they are known as carriers, because they have one infective allele and one normal allele. If you're familiar with genetics, she would be a heterozygote, and the disease was a somatic autosomal disease, with one dominant, passive allele, and one recessive, infective allele.
Answer:
English:
Generally, hepatitis is not contagious by air. The only way to be infected is to be in contact with the objects that the contagious person used.
Spanish:
Generalmente, la hepatitis no se contagia por vía aérea. La única forma de infectarse es estar en contacto con los objetos que usó la persona contagiosa.
Explanation:
English:
It is known as a fecal-oral way of infection. The hepatitis is spread by blood, sperm, or other liquids from the body of the infected person. The intimate relation without protection is one of the ways.
Also, the drug addicts can be easily infected, if the needle is shared.
Spanish:
Se conoce como una forma de infección fecal-oral. La hepatitis se transmite por sangre, esperma u otros líquidos del cuerpo de la persona infectada. La relación íntima sin protección es una de las formas.
Además, los drogadictos pueden infectarse fácilmente si se comparte la aguja.
Answer:
PLATO
The conservationists effectively identified a problem, specifically that young penguins were underweight. They fed the young birds, increasing the probability that they would reach reproductive age. The program also ensured that the young penguins could survive in the wild, by teaching them survival skills. A limitation of this program is that after the birds return to the wild, they face the same problems of high competition and limited food supply. Although the program increases their chances for reproduction, it doesn’t guarantee that they’ll be successful.
