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DNA
(genetics unit)
Question | Answer |
---|---|
What does DNA "make up"? | chromosomes, chromatides, and genes |
What is DNA "made up of"? | building blocks called nucleotides |
How do you inherit traits? | DNA is "given to you" |
how many different types of nucleotides are there? | 4 |
define mutation. | a changed sequence |
name 3 things nucleotides are made up of | 5 carbon sugar, phosphate group, nitrogen base |
2 different major types of ______________ | nucleic acid |
DNA has the same job as _____ | RNA |
what are the 2 different types of mutations? Describe them both. | chromosomal (change in chromosomes) and gene (change in a single gene) |
what are the 2 different gene mutations? Describe them both. | frameshift (affects many nucleotides) and point (affects 1 to 2 nucleotides) |
When does substitution occur? | In a POINT gene mutation |
When does deletion/addition occur? | In a FRAMESHIFT gene mutation |