Sickle cell anemia occurs when it is passed down from the parents. It is a look diese. It is caused by when 2 parents inherit 2 abnormal genes. It's when the blood cells change shape. Pediatrics use amniocentesis to see if the baby has missing chromosomes hat cause Down syndrome in early pregnancy
Usually the y-axis stands for dependent variable while the x-axis stands for independent variable. And the curve stands for the relationship between the two variables. The control variable and measurement variable often means the independent variables.