Answer:B) homologous chromosomes trade pieces of dna
Explanation:
Crossing over occurs between two homologous chromosome of sisters chromatid. Crossing over leads to exchange of genetic material between the two sister chromatids leading to recombination.
Evolution. As climate and environment change over time, populations change over time
Answer:
Mitosis is a neccessary process that helps the creation of life. The purpose of it is to make cells to regrow and replace old, dead, and/or wornout cells. What happens during mitosis is that a single cell will duplicate each and every one of its contents. This includes chromosones and more. It will then split into two identical daughter cells. This is how it makes it's newer cells.
Answer: They are proteins, They can bind with substrate, and They act as catalysts.
Explanation:
