Bio Beyond: Genetic Replication Questions With Complete Solutions

Bio Beyond: Genetic Replication Questions With
Complete 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. - 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. - Answer-First image

/.Looking at the images, how many chromosomes are there in a typical human? -
Answer-46

/.What do you notice about the chromosomes in both images? - Answer-They come in
pairs

/.Why are chromosomes a poor way to think of how DNA is normally stored? - 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? - 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? - Answer-Genes

/.What do the images pointing to each colored band represent? - Answer-Phenotypes

/.From your exploration of DNA structure and biological macromolecules, what do you
recall is the function of DNA in the cell? - Answer-Information storage