Chromosomes are found in the (i)__________ of every living cell. They can be seen by (ii)__________ a cell that is about to (iii)_________. For each thread-like chromosome there is another one exactly like it; therefore chromosomes occur in (iv)_________. Every body cell of a particular organism has the same (v)_________ of chromosomes. For example, all humans have (vi)_________ chromosomes in each body cell, made up of (vii)_______ pairs. The cells of the garden pea have 14 chromosomes made up of (viii)_____ pairs and those of the shrimp have 254 chromosomes, made up of (ix)_______ pairs. The two chromosomes belonging to a matching pair are called (x)______ chromosomes.