Answer:
One more person is in the room
Explanation:
a person increased in the room
That is a DNA strand. If im not wrong i think its protiens or carbohydrates
Answer:
I think the answer is B.
I wish you the best of luck! xoxo
Explanation:
ᓚᘏᗢ
Answer:
The answer is A or number 1
Explanation:
If you didn't know already, trisomy 21 is also known as Down Syndrome. It is caused by error in the cell division which is called nondisjunction. It leaves a sperm or egg cell with an extra copy of chromosome 21 before or after conception.
