Multiple choice Which of the following is/are inherited trait(s)? Rolling tongue Eye colour Ear lobes Intelligence Only (1) and (2) Only (2) and (3) Only (1), (2) and (3) All of the above Reveal answer Fill a bubble to check yourself D Correct answer Explanation Intelligence is an inheritable trait, but it varies with the change in environmental conditions. Tongue (rolling or non-rolling), eye colour (black, brown and grey), ear lobes (free and attached) are also inheritable traits.