Therefore, it takes 40 sec to perform the work.
A. DNA molecules, I think
The EMT should inform the mother that although the crisis seem to have been resolved, it will be advisable for her to transport the child to the hospital via the EMT vehicle. This arrangement will help her to have immediate help it the situation develops again on the way to the hospital and at the same time it will enable the EMT personnel to monitor the child's behavior for any other emergency development.
Answer;
C. His mother carried at least one allele for that trait
Explanation;
-Men have a single allele of each gene on the X chromosome, inherited from their mother, and a single allele of each gene on the Y chromosome, from their father.
-A sex-linked trait is a trait that is controlled by a gene or an allele located on the sex chromosome.
-X-linked traits are maternally inherited from carrier mothers or from an affected father. Each son born to a carrier mother has a 50% probability of inheriting the X-chromosome carrying the mutant allele.
