BIO BEYOND: GENETIC
REPLICATION 2025 UPDATED ACTUAL
EXAM WITH CORRECT SOLUTIONS.
Which bases pair in DNA?
In the simulation below, build the strand that is complementary
to the one shown. In this case, you are not replicating the
strand but completing it. - correct answer- Thymine
Adenine
Guanine
Cytosine
Cytosine
Thymine
Thymine
Adenine
Guanine
Thymine
To continue, click on the image that you think best represents
how DNA normally looks in the cell. - correct answer- First
image
, 2 | Page
Looking at the images, how many chromosomes are there in a
typical human? - correct answer- 46
What do you notice about the chromosomes in both images? -
correct answer- They come in pairs
Why are chromosomes a poor way to think of how DNA is
normally stored? - correct answer- DNA only looks like this
during replication
The top image, called a karyogram or karyotype, is from a
human female, while the bottom one is from a human male.
What major difference do you notice? - correct answer- The
male has a set of mismatched chromosomes
Thinking back to what you learned about genetics, what do the
colored bands on the chromosome represent? - correct
answer- Genes
What do the images pointing to each colored band represent? -
correct answer- Phenotypes