About 95% 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.
<span>Living things are made of cells.Living things obtain and use energy.Living things grow and develop.Living things reproduce.Living things respond to their environment.<span>Living things adapt to their environment.</span></span>
egg whites
While it may seem daunting, a basic meringue is nothing more than a mixture of beaten egg whites and sugar.
Answer:
Microbacteria
Explanation:
hope it helps if not let me know so i can edit this answer
Answer:
The correct option: "The chirps occur closer together as the temperature increases."
Explanation:
i just took the test
