Because the majority of cell differentiation occurs during the EMBRYONIC phase, .................. The embryonic stage of pregnancy is the period after implantation during which all the important organs and structures in the growing fetus is formed. Tetratogens are factors that caused malformation of embryo. Exposure to tetratogens during embryonic stage cause most destructive damages.
Answer:
d their coats will become darker due to natural selection
Explanation:
CCUUACUCUUAAG is the mRNA sequence
D : the number of generations in one population
Carrier proteins are the proteins in active transport