During Meiosis 1 in Prophase 1 crossing over occurs. The two chromosomes switch part of their genetic information. Also independent assortment occurs during meiosis which is the formation of random combinations of chromosomes in meiosis and of genes on different pairs of homologous chromosomes.
Answer:
true
Explanation:
Just think about extinction and how many species we have lost throughout time.
Answer:
B
Explanation:
It represents the greatest amount of cell differentiation for the newly formed organism.
Here all the organs and system get initiation and cell differentiate to form various organs.