The cellular division that changes the chromosome ploidy number from 2n to 1n occurs during the Metaphase of Meiosis II
Explanation:
Antibiotic resistance occurs when bacteria change in some way that reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. The bacteria survive and continue to multiply causing more harm.
On the downside, certain exaggerated animal traits produced through selective breeding may make it difficult for the animal to live a normal life, and plants propagated through selective breeding may be prone to disease.
Fossils can only be formed when mud, silt or tar is in the area to preserve the fossil, If erosion does not occur and allows the fossil to form, and Oxygen and microorganisms cannot decay the bones.
