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MC - Mitosis

Multicellular Organisms - Producing new cells

QuestionAnswer
Why do unicellular organisms need to do cell division? for reproduction
Why do multicellular organisms need to do cell division? for growth and repair
How many chromosomes does a human body cell have? 46
What word describes a cell with 2 matching sets of chromosomes? diploid
Why is it important that the new daughter cells have the same number of chromosomes as the original parent cell? to maintain the chromosome complement
Describe the chromosomes in the first stage of mitosis. thread-like structures
What happens to the chromosomes during stage 2 of mitosis? they condense and replicate
What happens to the nuclear membrane during stage 2 of mitosis? starts to break down
Where do the chromosomes line up during stage 3 of mitosis? equator (middle) of the cell
What attaches to the chromosomes during stage 4 of mitosis? spindle fibres
What do the spindle fibres pull apart during stage 4 of mitosis? chromatids
What reforms around the groups of chromosomes during stage 5 of mitosis? new nuclear membrane
What starts to happen to the cytoplasm during stage 5 of mitosis? divides
What is produced during stage 6 of mitosis? 2 new identical daughter cells
If a parent cell has 16 chromosomes, how many will each of the daughter cells have that are made during mitosis? 16
Created by: StNiniansHS