Answer:
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
Explanation:
Hope this helps.
Answer:
ATP is responsible for contraction and relaxation in muscles and plays a major role in the muscular system of our body.
C. Wind, is NOT a biotic factor of a niche. Hope this helps!
Answer:
Sinh vật nhân sơ chỉ có một RNA Polymerase, trong khi sinh vật nhân chuẩn có ba (RNA Polymerase I, phiên mã rRNA; II, phiên mã mRNA; và III, phiên mã tRNA).
