Answer: Structural changes can occur during the formation of egg or sperm cells, in early fetal development, or in any cell after birth. Pieces of DNA can be rearranged within one chromosome or transferred between two or more chromosomes.
Answer:
doing exercises
Explanation:
these like running use much calories than normal
I believe the answer is D
Assuming type a would be an AA allele and type b is a BB allele, No because an AA mother with an AB father wont make a BB child.
