Answer: student 4
Explanation: she is doing the same exact experiment all over again and not changing the things, which can make it even more of an accurate answer
The nucleus resembles the brains function.
I think it depends on what it is about.. Did your teacher give you a punnett square or anything like that?
Explanation:
In the majority of cases, the extra copy of chromosome 21 comes from the mother in the egg.
In a small percentage (less than 5%) of cases, the extra copy of chromosome 21 comes from the father through the sperm.
In the remaining cases, the error occurs after fertilization, as the embryo grows.
nope but i have dissected a big boy pigyyy fetus
