1)Which of the following is (are) required for evolution?

A) highly stable genome

B) competition

C) heritable traits

2) The National Toxicology Program reported in 2016 that cellphone radiation increased brain tumor growth in male rats.Radiation can cause damage and mutations to DNA.

Suppose you wished to study this further. You mate these ratsand find that the offspring have normal incidence of tumors. Youwould conclude that the tumors were most likely due to______ .

A) changes to the stomatic cells

B) changes to the gonadal cells

C) changes to the cells

If on the other hand, the offspring also had increased tumorgrowth, then you would conclude that the_______ .

A) changes occur in the stem cells

B)changes occur in the germ cells

C) tumor tissue was transferred to the offspring

Cell phones emit________ radiation when talking than onstandby.

A) more

B) less

That would suggest that using a hands-free headset may bebeneficial in preventing brain tumors. Ironically, if the phone iskept in the pocket during a call using a headset, then the geneticchanges would be_________ .

A) less severe

B) prevented

C) more likely to pass to the next generation

3) Which of the following point mutations would have little orno effect on cellular function?

A) mutation from AUA to AUG

B) mutation in exon

C) mutation from CUC to AUU

D) mutation from UUA to UUG

E)mutation in regulatory region

4) Why does gene duplication promote evolution?

A)duplicated genes are under less selective pressure

B)duplicated genes are less likely to mutate

C)duplicated genes do not promote evolution

5) Urokinase and chymotrypsin (a digestive enzyme) have onedomain in common with each other. This suggests that:

A) they are part of a gene family

B) they evolved through exon shuffling

6) Match the term with the best definition:

Terms:                                                           Definitions:

Exonshuffling                                                A)allows bacteria to become antibiotic resistant

Pointmutation                                                B)often has a neutral effect

Horizontaltransfer                                          C)involves errors in replication of chromosome ends

                                                                       D) can only occur in eukaryotes

7) What can you conclude about genetic differences andsimilarities between humans, chimpanzees, and E. coli?

Most conserved genes: a) human accelerated genes b) polymerasec) ribosomal RNAs

Fairly conserved genes: a) human accelerated genes b) polymerasec) ribosomal RNAs

Least conserved genes: a) human accelerated genes b) polymerasec) ribosomal RNAs