Question

complete the paragraph. a chromosome is composed of one tightly folded. human body cells contain pairs of chromosomes; most other species have number of chromosomes in their cells. each chromosome pair within a cell has the other chromosome pairs.

Explanation:

Chromosomes are made of DNA. Human body - cells have 23 pairs of chromosomes. Different species have different chromosome numbers. Each chromosome pair is independent of others.

Answer:

A chromosome is composed of one tightly folded DNA molecule. Human body cells contain 23 pairs of chromosomes; most other species have a different number of chromosomes in their cells. Each chromosome pair within a cell has no relation to the other chromosome pairs.