For example, 22p+ means that there is an extra short arm added to the 22nd pair of chromosomes.

One pair of chromosomes determines whether the person is male or female.

In a human being one cell contains 23 pairs of chromosomes.

The company is named for the 23 pairs of chromosomes in a normal human cell.

They are known as chromosome pairs 1 through 22.

Think about each pair of chromosomes, one set from each parent.

The book devotes one chapter to each pair of human chromosomes.

In each pair of chromosomes, which one goes into a single gamete is random.

If so, are you qualified to check my twenty-third chromosome pair?

In a common situation a human cell has one pair of identical chromosomes on chromosome 1.