Which of the following is true about traits?

A. They refer to external appearances only.

B. They refer to internal appearances only.

C. They can refer to a change in the skeletal or
muscular system.

D. We cannot observe traits.

i do not know and i have a 100 in this class

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.v