The correct answer is TRUE.
Answer:
Variants can affect one or more DNA building blocks (nucleotides) in a gene. Gene variants can be inherited from a parent or occur during a person's lifetime: ... When an egg and a sperm cell unite, the resulting fertilized egg cell contains DNA from both parents
Explanation:
The answer is.....Type I or convex curves are characterized by high age-specific survival probability in early and middle life, followed by a rapid decline in survival in later life. They are typical of species that produce few offspring but care for them well, including humans and many other large mammals.
I would hire this person because the disease is non-communicable. Plus, small cold and cough problems will not affect the performance of the person and therefore, there are little chances that he/she will take frequent holidays. Further, morally this job will help the person financially, in getting the proper treatment of the disease, if it occurs. And this will also raise the confidence and personality of the person. If the person has the skills that match our requirements, I will definitely hire him, despite his chances of developing multiple sclerosis.
Answer:
a. The corn borer must have or generate (by mutation) heritable variation in resistance to the toxic protein.
b. The resistant corn borers must survive better or reproduce more than nonresistant corn borers.
Explanation:
When there is a change in the surroundings of organisms, some genetic variations become beneficial to the organisms. Natural selection favors the organisms having these genetic variations.
The development of resistance in the corn borer population requires the presence of the gene for the resistance in the population. If there is no gene already present in the population, there should be a mutation to give rise to such gene/s. The corn borers having this gene should be able to survive better in the presence of the toxic protein and should leave more progeny in order to increase the frequency of the gene in the population over the generations.
