Albert Alexander was the first patient to be successfully treated on an infection caused by bacteria. He accidentally scratched a thorn of a rose on his face which badly infected him. One of his eyes had also been removed. He was given an infusion<span> of 160 mg of penicillin on February 12, 1941, and within 24 hours, his wounds begun to heal. He, however, died on March 1941. </span>
Answer: B
Explanation: Hope this helps :)
Answer:
a mutant dominant allele is expressed in very individual who inherits even one copy points a seriosbdisorder where people can die young and fail to reproduce so basically a dominant allele with die out of population
Answer:
A) A mutation in a single gene can result in a defective protein.
Explanation:
This hypothesis states that one gene codes for one protein-enzyme, so consequently, if mutation occurs in that gene, the enzyme will not work properly. This hypothesis was very important for the fundamental discoveries of molecular biology, but it is oversimplified meaning that relationship between genes and proteins is much more complex.