All living things, including vertebrates, have genes. These are like little instruction booklets inside our bodies that decide how we grow and what our bodies can do. We can’t change what our genes do. For example, your genes are the reason your eyes may be black, or brown, or blue but you can’t control this.
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Answer:
Why didn’t humans evolve to have wings?
Now let’s look at why humans can’t grow wings.
All living things, including vertebrates, have genes. These are like little instruction booklets inside our bodies that decide how we grow and what our bodies can do. We can’t change what our genes do. For example, your genes are the reason your eyes may be black, or brown, or blue but you can’t control this.