Babies, especially those who are at least 4-6 months old, have the tendency to explore objects by touching and holding them, and putting them in their mouth. By this time, it is very important to keep small objects out of their reach so that accidents can be prevented.
The mechanism is straightforward: in Metaphase one of Meiosis, chromosomes line up in two lines, with homologous across from each other, which allows them to interact by crossing over. In Metaphase of Mitosis, the chromosomes are all lined up single file, so the homologous chromosomes cannot interact.
I'm not sure but think its A
I can't see the problem for number 18 write it out and I can help you!
Answer:
i think this will help im not 100% sure though
https://www.isd2135.k12.mn.us/cms/lib/MN01001544/Centricity/Domain/54/Chapter%207.1%20Guided%20Reading%20Key.pdf
