
Tightly packed bundles of DNA contained in almost all cells in the body, responsible for the determination and transmission of hereditary characteristics. There are normally 46 chromosomes in each cell in humans.
Abnormality in the number of chromosomes or location and structure of DNA on the chromosome.
A split or opening in the lip or palate or both.
present at birth
decreased joint movements
A blue or purple color usually around the mouth or skin that happens when someone's blood doesn't have enough oxygen.
A class of substances that are produced by cells of the immune system and affect the immune response.
A significant loss of intellectual functioning such as memory, that is severe enough to affect social functioning.
The molecules inside cells that carry genetic information and pass it from one generation to the next.
An ultrasound of the heart that uses sound waves to look at the structures of the heart and check how well they are working.
