1 Muscle weakness and Pain in the joints and Sudden onset of joint pain and Arthritis-like symptoms (3 causes) 2  Muscle weakness and Pain in the joints and Sudden onset of joint pain and Body symptoms (3 causes)  Muscle weakness and Pain in the joints and Sudden onset of joint pain and Bony abnormalities (3 causes)
The other two chromosomes, X and Y, are the sex chromosomes. This picture of the human chromosomes lined up in pairs is called a karyotype. In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46.
Each cell in the human body contains 23 pairs of chromosomes. You inherit one set of the pair from your father and one set from your mother. Each chromosome is made up of many genes, about 2,000 in each chromosome, for a total of 50,000 genes in each cell.ach cell in the human body contains 23 pairs of chromosomes. You inherit one set of the pair from your father and one set from your mother. Each chromosome is made up of many genes, about 2,000 in each chromosome, for a total of 50,000 genes in each cell.