Explain the main functions of the systems of the human body?
• address the prompt, provide support, and conclude your thoughts.
• write legibly and concisely.

children tend to take more after their grandparents more than their parents. it’s the dna you received that was passed down to you somewhere in your family. maybe one of your grandparents had/has straight hair and you might have gotten it from them.

answer: 45

explanationyou have to add as well to be it could be

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).