A. Yes. The presence or absence of horns is a genetic trait, and breeding hornless or âpolledâ cattle is a non-invasive way to dehorn. Polled livestock are becoming common among beef cattle, but are still unusual among dairy breeds.
1 Endpoint (chemistry), the conclusion of a chemical reaction, particularly for titration. 2  Clinical endpoint, in clinical research, a disease, symptom, or sign that constitutes one of the target outcomes of the trial or its participants.  Communication endpoint, the entity on one end of a transport layer connection.
The midpoint, or class mark, of a class is the sum of the lower and upper limits of the class divided by 2. The midpoints are often used for estimating the average value in each class. Once you find the first midpoint, you can add the class width to it to find the remaining midpoints.