DNA
How many strands does DNA have?
2
How many strands does RNA have?
1
During the 1st step of transcription, mRNA is made. What molecule is used to mRNA?
DNA
A mutation is a _____________ in the DNA sequence.
change
What symbol is used for females on a pedigree chart?
circle
What are the 4 nitrogen bases called?
Cytosine
Guanine
Adenine
Thymine
What are the nitrogen bases of RNA?
Cytosine
Guanine
Adenine
Uracil
What mRNA strand pairs with following DNA strand:
A T C G G A
U A G C C U
What caused Peter Parker's DNA to mutate?
spider bite
What symbol is used for males on a pedigree chart?
square
On a DNA strand, what pairs with thymine?
adenine
On mRNA, what pairs with adenine?
uracil
Does the mRNA strand have codons or anticodons?
codons
Look at DNA strand and identify the mutation.
Original DNA: ATT CGG AAA
Mutated DNA: ATC GGA AA
T was removed
Deletion
What does a shaded symbol represent on a pedigree chart?
The person has the trait.
DNA is located in the _______________ of a cell.
nucleus
After mRNA is made in the nucleus, where does it travel to so proteins can be made?
ribosome
tRNA bring ______ to the mRNA strand.
anticodons or amino acids
What type of mutation happened?
Original DNA: ATT CGG AAA
Mutated DNA: ATT GGA AAA G
Frame shift (Insertion)
What does a half-shaded symbol represent on a pedigree chart?
carrier
DNA is used as a template to make what smaller molecule?
mRNA
Name two types of RNA molecules.
mRNA and tRNA
Codons are used to find _______________. (Hint: they are found on the codon chart).
amino acids
Can a mutation change the amino acids created by a cell?
YES!!!!!
Describe what a pedigree chart will look like if a recessive trait is being passed through a family.
The trait will skip a generation.