jack and ted are identical twins. explain why jack and ted look very similar but will not always look exactly the same

because of genes

explanation: Genes carry the information that determines your traits , which are features or characteristics that are passed on to you or inherited from your parents.

For example, if both of your parents have green eyes, you might inherit the trait for green eyes from them. Or if your mom has freckles, you might have freckles too because you inherited the trait for freckles. Genes aren't just found in humans all animals and plants have genes, too.

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]