Question

Which statement about identical twins is TRUE?

A. They have identical DNA in all of their cells.

B. They are not genetically identical to each other.

Answer 1

A. They have identical DNA in all of their cells.

Step-by-step explanation:

Identical twins are also known as monozygotic twins. They result from the fertilization of a single egg that splits in two. Identical twins share all of their genes and are always of the same sex. In contrast, fraternal, or dizygotic, twins result from the fertilization of two separate eggs during the same pregnancy.

Answer 2

A. They have identical DNA in all of their cells.

Step-by-step explanation:

All of the cells in your body share the same DNA as was found in that first cell.