00:01
This question asks us to describe at least one trait that appears to run in your family.
00:05
So it appears in multiple members of the family.
00:08
Does this trait run in your family because it is an inherited trait or because it is caused by environmental factors that are common to family members? how might you distinguish between these possibilities? so a great trait to think about would be asthma.
00:23
And the way that asthma is going to present in a patient is going to be wheezing, a characteristic wheezing sound, when a we do strenuous exercise.
00:33
So let's say someone ran a mile, they're done running, now they're going to have very labored breathing because they are not able to get as much air as they need in and out of their constricted bronchae.
00:48
So the problem here is that their bronchia are going to be constricted, so there's very low airflow, and that causes that wheezing sound that we hear.
00:57
So is this going to be an inherited trait, or is this going to be caused by environmental factors? well, the wheezing could be caused by, let's say that this individual is going to have a sickness at the time...