Answer:
Complementary base pairing is the phenomenon where in DNA guanine always hydrogen bonds to cytosine and adenine always binds to thymine. The bond between guanine and cytosine shares three hydrogen bonds compared to the A-T bond which always shares two hydrogen bonds.
Answer:
The answer is natural selection
Explanation:
The modern theory of evolution was developed by Charles Darwin, an amateur English naturalist, in the 19th century
<span>The question is asking "which includes the physical characteristics of an organism
Gene" and the answer is the phenotype. An organism's phenotype is basically its outward appearance and its phisical characteristics. In contrast, the other options, gene, allele and genotype, refer to the genetic make up of an organism - its genotype</span>
