Table of Contents
- 1 Why is it important that cells have identical DNA?
- 2 Why is it important to produce genetically identical daughter cells?
- 3 When DNA separates into two strands the DNA would most likely be directly involved in what process?
- 4 Why would it be important to replicate DNA before a cell divides in mitosis?
- 5 Why is it important that the cell’s DNA is duplicated before cell division?
- 6 Why is it important to regulate research that involves genetic information?
- 7 Which process must the cell undergo to have identical cells at the end of cell division?
- 8 What happens when DNA separates into two?
- 9 Why is my DNA different from my parents’ DNA?
- 10 Does DNA replicate before or after a cell decides?
Why is it important that cells have identical DNA?
An important property of DNA is that it can replicate, or make copies of itself. Each strand of DNA in the double helix can serve as a pattern for duplicating the sequence of bases. This is critical when cells divide because each new cell needs to have an exact copy of the DNA present in the old cell.
Why is it important to produce genetically identical daughter cells?
Therefore the chromosomes form from the parent chromosomes by copying the exact DNA. Therefore, the daughter cells formed as genetically uniform and identical to the parent as well as to each other. Thus mitosis helps in preserving and maintaining the genetic stability of a particular population.
Why is it crucial that DNA is passed from parent to offspring?
Genetic material, including genes and DNA, controls the development, maintenance and reproduction of organisms. Characteristics that are not seen may be carried in genetic information (recessive) by individuals and can be passed on. This means that offspring may display characteristics different from their parents.
When DNA separates into two strands the DNA would most likely be directly involved in what process?
DNA replication
Correct answer: Explanation: DNA replication involves the separation of the two original DNA strands. Both of these strands are then replicated using DNA polymerase.
Why would it be important to replicate DNA before a cell divides in mitosis?
DNA replication needs to occur because existing cells divide to produce new cells. Each cell needs a full instruction manual to operate properly. So the DNA needs to be copied before cell division so that each new cell receives a full set of instructions!
Why is it important for each daughter cell to contain information identical to the parent cell?
It is important that the daughter cells contain the same genetic information as the parent cells because those cells will have the same functional job…
Why is it important that the cell’s DNA is duplicated before cell division?
Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell. Once the DNA in a cell is replicated, the cell can divide into two cells, each of which has an identical copy of the original DNA.
Why is it important to regulate research that involves genetic information?
13.11 Human genetic research generates knowledge with the potential to improve individual and community health. Research can also reveal information about an individual’s susceptibility to disease and hence about the individual’s future health.
Why do you think there is a need for a DNA molecule to be coiled tightly?
Strands of DNA coil around sets of eight of these proteins to fit inside of cells. So with 23 pairs of human chromosomes, every human cell should host 46 strands of DNA — each wrapped around hundreds of thousands of histones. This tight coiling helps the body to pack its long DNA molecules into very tiny spaces.
Which process must the cell undergo to have identical cells at the end of cell division?
Mitosis results in cells that are identical to the parent, whereas in meiosis, the daughter cells are gametes with half the genetic material as the parent. In meiosis, cells undergo two rounds of division.
What happens when DNA separates into two?
The original double helix separates into two separate strands of DNA. Each original DNA strand attracts new nucleotides that plug into their complementary bases on the original strand. The result is two DNA molecules identical to the original. Each DNA molecule consists of one “parent” strand and one “new” strand.
Why does a cell need a copy of its DNA?
Each new cell needs a DNA copy, which serves as instructions on how to function as a cell. DNA replicates before a cell divides. The replication process is semi-conservative, which means that when DNA creates a copy, half of the old strand is retained in the new strand to reduce the number of copy errors.
Why is my DNA different from my parents’ DNA?
This means that your genome (all of your DNA) is already different because it contains chromosomes from both of your parents. This can also help explain why two siblings appear to have different genetic ancestry, since they may get different chromosomes from their parents. But there is more to the story than the combination of chromosome pairs.
Does DNA replicate before or after a cell decides?
DNA replicates before a cell divides. The replication process is semi-conservative, which means that when DNA creates a copy, half of the old strand is retained in the new strand to reduce the number of copy errors. DNA contains the code for building an organism and making sure that the organism functions properly.
How many strands of DNA do you get from each parent?
You get 23 chromosomes from each parent. Therefore you get 23 pieces of double-stringed DNA from each parent. So you have 46 DNA strands. The DNA strands do not melt together as a whole molecule, so you have strands from your father and strands from.