ANSWER:
50% or 2/4
EXPLANATION:
E is a dominant trait and with a dominant E in the offspring it is not attached so half of the offspring would have non-attached earlobes and half would have attached earlobes.
The answer is; a high neutron-proton ratio
Isotopes have the same number of protons (atomic number) but differ in the number of neutrons (hence also in their mass numbers). Isotopes are named according to their mass numbers; example carbon-12, and carbon-14. Their atomic numbers remain as 6 but neutron numbers differ (6 and 8).
The phenomenon is tolerance.
Tolerance can be found in many aspects of physiology,
For example, when you feel a pain somewhere due to touching something sharp, the feel will be less intense when you feel it the next times.
When you eat a lot of sweets, you tung will temporarily lose its ability to feel sugars
Another example in pharmacology, when you drug in a chronic way, its effect will decrease.
