Structurally and functionally, this gland is often described…

Structurally and functionally, this gland is often described as two glands in one; its cortex produces more than twenty steroid hormones, and its medulla synthesizes the catecholamines epinephrine and norepinephrine. This description matches that of the ______________________.

The pedigree above traces the inheritance of sickle cell ane…

The pedigree above traces the inheritance of sickle cell anemia, a blood disorder caused by a recessive allele (h) of the hemoglobin gene. Affected individuals, indicated by the filled-in circles and squares, produce abnormal hemoglobin, which causes red blood cells to become misshapen.   What is Carla’s genotype?