Answer:
Water
Explanation:
water molecule contains one oxygen covalently bound to two hydrogen atoms with no carbon present.
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: choice A
Explanation: hope this helps
SORRY IF IM WRONG
Answer:
A
Explanation:
the process involves replication of cell's chromosomes, segregation of the copied DNA and splitting of parent cell's cytoplasm
