RE: Left arm vs. right arm blood pressure question 9/16/2005 5:01AM - in reply to veryyyy. Reply. Return to Index. Report Post. The plumbing from the heart to the left arm is more direct than to the right arm, so in order to get truer numbers, the left arm is preferred.
Pedigrees show how characteristics are passed from one generation to the next. They are used in studying human genetics because it is not possible to carry out controlleâ¦d breeding experiments with humans, as we can with other animals or with plants.
Now we're going to start using those pedigrees to determine what kind of inheritance pattern a particular trait has. Autosomal Dominant Inheritance Patterns Let's imagine we're geneticists studying pedigrees to determine the type of inheritance in a rare genetic cancer syndrome called Peutz-Jeghers syndrome.