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:

A chromosome is made of a tightly - folded DNA molecule. Human body cells have 23 pairs of chromosomes. Different species have different numbers of chromosomes. Chromosome pairs are independent of each other within a cell.

Answer:

1. DNA molecule
2. 23
3. a different
4. no relation to