Epigenetics might explain why identical twins:
A)are always biologically exactly the same
B)always behave exactly the same
C)have the same genetic code,but might show phenotypic differences
D)are always the same sex.

Question

Quizplus · Accepted Answer

Epigenetics refers to changes in gene expression that do not involve changes to the DNA sequence. Identical twins have the same DNA sequence, but environmental and lifestyle factors can lead to differences in how their genes are expressed, resulting in phenotypic differences between them.

Epigenetics Might Explain Why Identical Twins