Using your notes, book, and this assignment place the steps of DNA replication in the correct order.

a. the DNA helix breaks or unzip down the middle between the base pairs.

b. the enzyme DNA polymerase moves along the exposed strand and add complementary nucleotide to each nucleotide in each existing strand.

c. a complementary strand is created for each of the two strands of the original double helix

d. two new identical DNA molecules have been produced.

Explanation:

The process of replication ensures the doubling of genetic material before cell division occurs in a cell. the process of repliction involves the above named four steps and is mediated by different enzymes performing different functions on this genetic material within the same close range (the replisome machinery). this enzymes include the helicases, the single strand binding proteins, the topoisomerases, DNA polymerases etc. the end product of replication is that two new identical DNA molecules will be produced from one.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]