Answer:
Option-D, a segment of DNA
Explanation:
A gene represents the particular segment of DNA which contains the instruction for the trait of an organism. The nucleotide sequence present in the segment provides the instruction in the form of codons.
The gene is present in the form of its alternative form called alleles which are located on the chromosomes at locus. The alleles represent the variants of the gene and therefore controls the two variety of a single trait.
Thus, Option-D is correct.
There are approximately 4.7 to 5.5 liters and 1.2 to 1.5 gallons of blood in a human's body.
Your spinal cord is part of your central nervous system. True or False
Answer: True
Im not positive but I think it's b or c
What it eats, what weather it's build for and DNA