Answer:
The modern medical era began when an absent-minded British scientist named Alexander Fleming returned from vacation to find that one of the petri dishes he forgot to put away was covered in a bacteria-killing mold. He had discovered penicillin, the world's first antibiotic.
The process by which oxygen is taken to the lungs is called Inhalation or Inspiration.
Answer:
<h2>L-A-D</h2>
Explanation:
Given:
In crossing over percentage equals to map unit, so 22 % equals to 22 map unit.
A and L are 6 map unit are closest one.
L and D are farthest away and have 27 map unit distance.
A-D =22 map unit
A-L = 5 map unit
L-d = 27 map unit
so the sequence of genes is L-A-D
D) chromosomes exchange genetic material in step 3
Explanation: the student claims that the cell division increases genetic variation, and D) is the only one which mentions exchanging genetic material/increasing variation
