1. Should genetic engineering be used to purposefully change human genes and give people more desirable traits? Is this an ethical issue? Explain your response.

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15

yay can i have brainliest

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).