Tightly coiled mass of DNA and protein.

The point where two chromatids connect.

One of two identical strands of DNA that make up a chromosome.

The nuclear envelope begins to disappear.

The chromosomes line up down the center of the cell.

What is a gamete?

After fertilzation occurs, which process does the zygote use to divide to make more body cells?

If an egg cell of an organism has 23 chromosomes, how many chromosomes will the body cell have?

If a body cell has 12 chromosomes, how many chromosomes will the gamete have?

The instruction manual for the cell located in the nucleus.

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