The image shows the process of mitosis. The replication of DNA happens at prophase of the mitosis process. This results in the duplication of the chromosomes This is followed by the segregation and division of the duplicated chromosomes into the two daughter cells. The same applies to the meiosis process where the DNA replication and duplication are followed in the same manner as mitosis. Hence the duplication of chromosomes happen at the beginning of both mitosis and meiosis processes.
Answer:
A. A segment of DNA molecule
Explanation:
(a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual. A gene is the basic unit of heredity in a living organism.
I'm pretty sure that the constant in the scientific process can not be changed because it is constant. If constant isnt an option, a data record can not be changed.