In meiosis, crossing over occurs so there an be a genetic variation in the offspring. Genetic variation is vital to survival. In mitosis, crossing over would be a bad thing because the daughter cells need to be identical. Identical meaning the same genetic code. Therefore, crossing over wouldn’t be a positive process in identical daughter cells.
Plant cell needs cell wall whereas animal cell do not because the plants need rigid structure so that they can grow up and out . All cells have cell membranes, and the membranes are flexible. So animal cells can have various shapes, but plant cells only have the shapes of their cell walls.
Answer:
Tommie Lee Andrews was convicted of defilement in November 1987 and sentenced to 22 years in jail based on both fingerprint analysis and DNA typing, making him the first person in the United States to be convicted based on DNA evidence.
Explanation:
I believe B and C hope this helps!!
