Cell Division and Chromosomes

Front

What are chromosomes?

Back

Threadlike structures made of protein & single molecule of DNA.

Front

What is the diploid number of chromosomes?

Back

Two sets of chromosomes (2n).

Front

What is the haploid number of chromosomes?

Back

One set of chromosomes (n).

Front

What is cell division?

Back

Cell divides into 2 new cells.

Front

What is the cell cycle?

Back

The process where cells grow and divide.

Front

What occurs during interphase?

Back

Growth and development; DNA replication.

Front

What is mitosis?

Back

Division of the nucleus into 2 nuclei, each with the same number of chromosomes; occurs in all somatic (body) cells.

Front

What happens during prophase?

Back

Chromosomes coil up, nuclear envelope disappears & spindle fibers form.

Front

What happens during metaphase?

Back

Chromosomes line up in the middle of the cell & spindle fibers connect to chromosomes.

Front

What occurs during anaphase?

Back

Chromosome copies divide & spindle fibers pull chromosomes to opposite poles.