Which of these statements can be used to described a chromosome?

Everyone knows about the human DNA and law of inheritance among these Chromosomes are thread like structures in thee Nucleus where DNA molecules are packed.

chromosomes are the building blocks of the human body as it is further divided into centro-mere which are also its arms. the shorter is S arm and the longer is its Q arm. the centro-mere being located in the structure gives it a specific shape.

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

straight probes are used primarily for measuring flow as it is approaching the test area. its geometry allows the probe to be mounted so that it is in the direct line of airflow.