WorksheetsUnit 4: Test Review
Total questions: 25
Worksheet time: 21mins
Thymine (T) bonds with ______________.
Guanine
Thymine
Cytosine
Adenine
ATG TGA CAG
AATCATGGA
ATG GGA ACT CCA
What does it mean for DNA to be semi-conservative?
When copied, you end up with only one DNA molecule.
When copied, DNA is completely different from the original DNA molecule.
When copied, DNA is totally made from new bases.
When copied, half of the DNA is from the original DNA and half from new bases.
A type of mutation in which NO amino acids change is called?
Missense
Nonsense
Silent
Deletion
mRNA is copied/created from?
tRNA
DNA
RNA
Protein
This table shows percent similarities of various organisms. Which two organisms are the most closely related?
1 and 4
3 and 10
8 and 9
4 and 9
In DNA (replication), A pairs with?
A
U
T
G
Read this one!!!
A gamete is also called a 'sex cell'. Like sperm in males and eggs in females. If a baby is going to be BORN with a genetic defect (like down syndrome), what MUST happen?
A mutation must happen to the baby 2 weeks after it is born.
A mutation must happen within the parents gametes, before the baby is conceived/made.
A mutation occurs in the parents brain cells, causing them to change as well as their children.
No mutation happens, the baby just has complications at birth.
