The photograph below shows two color variations of himalayan rabbits. in the winter, the rabbits resemble the one on the left. in the summer, the rabbits resemble the one on the right.
(the picture below)
the changes in fur color are most likely due
select one:
a. the sorting and recombination of genes
b. the molecular arrangement of sugars
c. a virus that affected genes in specific areas of the body
d. gene expression due to the differences in antibiotic conditions

dna is a set of a gene held together by a chemical bond

answer;

medical directors

explanation;

medical directors grants and supervises the privilege or permission to use an aed on an ambulance.

other roles of a medical director includes;

-provide medical leadership, including coordination with local ems and 911 centers.

-provide guidance in equipment selection and deployment

-develop guidelines for responder actions

-oversee medical care that is rendered through the program, including review of all responses to medical emergencies

-ensure appropriate initial training and skill maintenance

-assume overall responsibility for the conduct and operation of all patient care related activities