Which of the following could be evidence that an organism's growth is influenced by the organism's genes? (hint: identical twins have identical genes. non-identical twins have about half the same genes.) a] an obese person is more likely to have friends who are obese. b] the identical twin who receives better nutrition in the womb tends to weigh more at birth. c] identical twins are more likely to be about the same height than non-identical twins. d] a dog breed can be made smaller by breeding together only the smallest dogs.