Answer:
hope this helps
Explanation:
About 95 percent of the time, Down syndrome is caused by trisomy 21 — the person has three copies of chromosome 21, instead of the usual two copies, in all cells. This is caused by abnormal cell division during the development of the sperm cell or the egg cell.
Answer:
Eukaryotes have solved the end-replication problem by locating highly repeated DNA sequence at the end, or telomeres, of each linear chromosome.
Explanation:
Telomeres are stretches of DNA at the ends of the chromosome, They protect the genetic data and make it possible for cells to divide.
Answer:
The toxic sludge covers the animals completely, and then they suffercate and dye, I don't know how else to say that
2. Because the gravitational force from anything that small compared to a planet is so minuscule it's nearly impossible to feel or measure.
3. Because do not have life and other processes necessary to create the gasses and substances necessary to create an atmosphere.
4. If the amount of mass lost was large enough it would likely allow the moon to eventually orbit away
