GUIDE
FOR 2025/2026 TESTS|MOST COMMON
QUESTIONS WITH CORRECTLY VERIFIED ANSWERS
(LATEST QUIZZES) |ALREADY A+
GRADED|GUARANTEED PASS
Looking at the images, how many chromosomes are there in a typical human? - 46
What do you notice about the chromosomes in both images? - They come in pairs
Why are chromosomes a poor way to think of how DNA is normally stored? - 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? - 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? - Genes
What do the images pointing to each colored band represent? - Phenotypes
Which of the following characteristics are different between prokaryotic and eukaryotic
chromosomes? - Shape
From your exploration of DNA structure and biological macromolecules, what do you recall is
the function of DNA in the cell? - Information storage
Where is the information stored in DNA? - Base sequence
Looking at the image to the right, what has to be done to chromatin before the information in it
can be accessed? - It has to be unwound to uncoiled DNA
From chromatin, two major processes are needed to prepare for DNA replication. Watch the
video at right - what processes are needed before new DNA can be made?