7.2 study guide Flashcards
(10 cards)
What is the first stage of mitosis?
Prophase
What does metaphase do?
The sister chromatids line up in the middle.
What is the differenve between sister chromatids and homologous chromosomes?
Sister chromatids are used in cell replacement and homologous chromosomes are used in reproductive divison.
What does prophase do in mitosis?
It condenses the DNA.
What is the last stage of mitosis?
Cytokinesis
What stage pulls the chromosomes apart?
Anaphase
What is pro-metaphase?
The spindle fibers attach to sister chromatids.
Why do we have two of each chromosomes?
One comes from the mom and one comes from the dad.
How is DNA stored in the nucleus the majority of the time?
Chromatin
What holds the two sister chromatids together?
Centromere