Chapter 6 questions- Biology Chromosomes and Cell Reproduction
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What determines the type of cell division that a cell is going to do?
What does DNA do in the cell?
Why does the DNA have to be copied before cell division?
Genes play in important role in determining _________________________and functions.
Humans have _____(how many?) chromosomes.
You get ______(how many?) chromosomes from each parent.
How many chromosomes would fit in 2 mm. (fig 6-4)
What causes Down syndrome?
The incidence of having a child with Down syndrome ____________(increases or decreases)
with age.
10. Define nondisjunction-